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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Julie Delfs

Bib: 27276 •F •Age: N/A

AZ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Race Day Weather
51°/41°F
overcast clouds
Personalized for Julie

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 11:11/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
34:44
3.11 mi
Rank: #28242
Start → 5K
34:44 | 11:11/mi
10K
1:11:22
6.21 mi
Rank: #28375 (-133)
5K → 10K
36:38 | 11:48/mi
15K
1:49:32
9.32 mi
Rank: #28446 (-71)
10K → 15K
38:10 | 12:18/mi
20K
2:28:15
12.43 mi
Rank: #28436 (+10)
15K → 20K
38:43 | 12:28/mi
HALF
2:36:42
13.11 mi
Rank: #28444 (-8)
20K → HALF
8:27 | 12:24/mi
25K
3:07:11
15.53 mi
Rank: #28370 (+74)
HALF → 25K
30:29 | 12:35/mi
30K
3:48:20
18.64 mi
Rank: #28302 (+68)
25K → 30K
41:09 | 13:15/mi
20M
4:06:15
20.00 mi
Rank: #28262 (+40)
30K → 20M
17:55 | 13:12/mi
21M
4:20:52
21.00 mi
Rank: #28241 (+21)
20M → 21M
14:37 | 14:37/mi
35K
4:30:17
21.75 mi
Rank: #28220 (+21)
21M → 35K
9:25 | 12:36/mi
23M
4:46:46
23.00 mi
Rank: #28206 (+14)
35K → 23M
16:29 | 13:11/mi
24M
4:59:09
24.00 mi
Rank: #28169 (+37)
23M → 24M
12:23 | 12:23/mi
40K
5:10:23
24.85 mi
Rank: #28142 (+27)
24M → 40K
11:14 | 13:09/mi
25.2M
5:15:19
25.20 mi
Rank: #28136 (+6)
40K → 25.2M
4:56 | 14:19/mi
FINISH
5:27:50
26.22 mi
Rank: #28132 (+4)
25.2M → FINISH
12:31 | 12:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:36:42
Pace11:58 /mi
2nd Half
Distance13.11 mi
Time2:51:08
Pace13:04 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1434:4411:1134:44
11:11
-
10K
6.21 mi12:32:521:11:2211:3036:38
11:48
+0:37
15K
9.32 mi13:11:021:49:3211:4638:10
12:18
+0:30
20K
12.43 mi13:49:452:28:1511:5638:43
12:28
+0:10
HALF
13.11 mi13:58:122:36:4211:588:27
12:24
-0:04
25K
15.53 mi14:28:413:07:1112:0330:29
12:35
+0:11
30K
18.64 mi15:09:503:48:2012:1541:09
13:15
+0:40
20M
20.00 mi15:27:454:06:1512:1917:55
13:12
-0:03
21M
21.00 mi15:42:224:20:5212:2614:37
14:37
+1:25
35K
21.75 mi15:51:474:30:1712:269:25
12:36
-2:01
23M
23.00 mi16:08:164:46:4612:2916:29
13:11
+0:35
24M
24.00 mi16:20:394:59:0912:2812:23
12:23
-0:48
40K
24.85 mi16:31:535:10:2312:3011:14
13:09
+0:46
25.2M
25.20 mi16:36:495:15:1912:314:56
14:19
+1:10
FINISH
26.22 mi16:49:205:27:5012:3112:31
12:17
-2:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

11:11 /mi

Average Pace

12:31 /mi

Slowest Pace

14:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:11:22

22% of race

Time at Steady Pace

2:30:08

46% of race

Time at Slower Pace

1:46:20

32% of race

Average Pace: 12:30 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:1434:4411:1134:44
11:11
#28242
10K
6.21 mi12:32:521:11:2211:3036:38
11:48
#28375
15K
9.32 mi13:11:021:49:3211:4638:10
12:18
#28446
20K
12.43 mi13:49:452:28:1511:5638:43
12:28
#28436
HALF
13.11 mi13:58:122:36:4211:588:27
12:24
#28444
25K
15.53 mi14:28:413:07:1112:0330:29
12:35
#28370
30K
18.64 mi15:09:503:48:2012:1541:09
13:15
#28302
20M
20.00 mi15:27:454:06:1512:1917:55
13:12
#28262
21M
21.00 mi15:42:224:20:5212:2614:37
14:37
#28241
35K
21.75 mi15:51:474:30:1712:269:25
12:36
#28220
23M
23.00 mi16:08:164:46:4612:2916:29
13:11
#28206
24M
24.00 mi16:20:394:59:0912:2812:23
12:23
#28169
40K
24.85 mi16:31:535:10:2312:3011:14
13:09
#28142
25.2M
25.20 mi16:36:495:15:1912:314:56
14:19
#28136
FINISH
26.22 mi16:49:205:27:5012:3112:31
12:17
#28132
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi28242120451204528537(Top 98%)12256(Top 97%)12256(Top 1289%)
10K6.21 mi3.10 mi28375-13312137-9212137-9228451(Top 98%)12197(Top 97%)12197(Top 1283%)
15K9.32 mi3.11 mi28446-7112189-5212189-5228537(Top 98%)12256(Top 97%)12256(Top 1289%)
20K12.43 mi3.11 mi28436+1012179+1012179+1028347(Top 98%)12147(Top 97%)12147(Top 1277%)
HALF13.11 mi0.68 mi28444-812186-712186-728483(Top 98%)12260(Top 97%)12260(Top 1289%)
25K15.53 mi2.42 mi28370+7412143+4312143+4327960(Top 96%)11929(Top 95%)11929(Top 1254%)
30K18.64 mi3.11 mi28302+6812108+3512108+3527919(Top 96%)11955(Top 95%)11955(Top 1257%)
20M20.00 mi1.36 mi28262+4012084+2412084+2427572(Top 95%)11807(Top 94%)11807(Top 1242%)
21M21.00 mi1.00 mi28241+2112077+712077+727816(Top 96%)11970(Top 95%)11970(Top 1259%)
35K21.75 mi0.75 mi28220+2112068+912068+927371(Top 94%)11753(Top 93%)11753(Top 1236%)
23M23.00 mi1.25 mi28206+1412061+712061+727530(Top 95%)11828(Top 94%)11828(Top 1244%)
24M24.00 mi1.00 mi28169+3712049+1212049+1227067(Top 93%)11658(Top 93%)11658(Top 1226%)
40K24.85 mi0.85 mi28142+2712034+1512034+1527185(Top 94%)11724(Top 93%)11724(Top 1233%)
25.2M25.20 mi0.35 mi28136+612031+312031+327480(Top 95%)11874(Top 94%)11874(Top 1249%)
FINISH26.22 mi1.02 mi28132+412033-212033-227725(Top 96%)11981(Top 95%)11981(Top 1260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28537

Females

12256

F55-59

12256

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28451

Females

12197

F55-59

12197

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28537

Females

12256

F55-59

12256

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28347

Females

12147

F55-59

12147

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28483

Females

12260

F55-59

12260

HALF→25K

13.1 - 15.5 mi

Top 96%
×4
+66ft-88ft

Overall

27960

Females

11929

F55-59

11929

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27919

Females

11955

F55-59

11955

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27572

Females

11807

F55-59

11807

20M→21M

20.0 - 21.0 mi

Top 96%
×8
+106ft-24ft

Overall

27816

Females

11970

F55-59

11970

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27371

Females

11753

F55-59

11753

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27530

Females

11828

F55-59

11828

23M→24M

23.0 - 24.0 mi

Top 93%
×6
+12ft-82ft

Overall

27067

Females

11658

F55-59

11658

24M→40K

24.0 - 24.9 mi

Top 94%
×1
+6ft-20ft

Overall

27185

Females

11724

F55-59

11724

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27480

Females

11874

F55-59

11874

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
×2
+22ft-21ft

Overall

27725

Females

11981

F55-59

11981

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
584
Passed By
474
Net Change
+110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28242
5K → 10K47180-133#28242#28375
10K → 15K50121-71#28375#28446
15K → 20K6757+10#28446#28436
20K → HALF513-8#28436#28444
HALF → 25K8915+74#28444#28370
25K → 30K9325+68#28370#28302
30K → 20M499+40#28302#28262
20M → 21M3413+21#28262#28241
21M → 35K243+21#28241#28220
35K → 23M2713+14#28220#28206
23M → 24M469+37#28206#28169
24M → 40K303+27#28169#28142
40K → 25.2M71+6#28142#28136
25.2M → FINISH1612+4#28136#28132
TOTALS584474+110
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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