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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Gretchen Ziemer

Bib: 20194 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 37%
Masters (Masters Women)
#0 / 6862
Top 22%
Age Group (F45-49)
#0 / 1786
Top 24%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Gretchen

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 · 7:40/mi at mile 26.2

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
24:33
3.11 mi
Rank: #16217
Start → 5K
24:33 | 7:55/mi
10K
48:54
6.21 mi
Rank: #16054 (+163)
5K → 10K
24:21 | 7:51/mi
15K
1:13:15
9.32 mi
Rank: #15920 (+134)
10K → 15K
24:21 | 7:51/mi
20K
1:37:54
12.43 mi
Rank: #15809 (+111)
15K → 20K
24:39 | 7:57/mi
HALF
1:43:13
13.11 mi
Rank: #15803 (+6)
20K → HALF
5:19 | 7:48/mi
25K
2:02:36
15.53 mi
Rank: #15716 (+87)
HALF → 25K
19:23 | 8:00/mi
30K
2:27:47
18.64 mi
Rank: #15416 (+300)
25K → 30K
25:11 | 8:07/mi
20M
2:38:50
20.00 mi
Rank: #15275 (+141)
30K → 20M
11:03 | 8:09/mi
21M
2:47:18
21.00 mi
Rank: #15088 (+187)
20M → 21M
8:28 | 8:28/mi
35K
2:53:08
21.75 mi
Rank: #14993 (+95)
21M → 35K
5:50 | 7:48/mi
23M
3:03:19
23.00 mi
Rank: #14888 (+105)
35K → 23M
10:11 | 8:09/mi
24M
3:11:01
24.00 mi
Rank: #14736 (+152)
23M → 24M
7:42 | 7:42/mi
40K
3:18:02
24.85 mi
Rank: #14687 (+49)
24M → 40K
7:01 | 8:13/mi
25.2M
3:20:52
25.20 mi
Rank: #14605 (+82)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:28:41
26.22 mi
Rank: #14536 (+69)
25.2M → FINISH
7:49 | 7:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:13
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:45:28
Pace8:03 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:3824:337:5524:33
7:55
-
10K
6.21 mi11:33:5948:547:5324:21
7:51
-0:04
15K
9.32 mi11:58:201:13:157:5224:21
7:51
0:00
20K
12.43 mi12:22:591:37:547:5324:39
7:57
+0:06
HALF
13.11 mi12:28:181:43:137:535:19
7:48
-0:09
25K
15.53 mi12:47:412:02:367:5419:23
8:00
+0:12
30K
18.64 mi13:12:522:27:477:5625:11
8:07
+0:07
20M
20.00 mi13:23:552:38:507:5711:03
8:09
+0:02
21M
21.00 mi13:32:232:47:187:598:28
8:28
+0:19
35K
21.75 mi13:38:132:53:087:585:50
7:48
-0:40
23M
23.00 mi13:48:243:03:197:5910:11
8:09
+0:21
24M
24.00 mi13:56:063:11:017:587:42
7:42
-0:27
40K
24.85 mi14:03:073:18:027:597:01
8:13
+0:31
25.2M
25.20 mi14:05:573:20:527:592:50
8:13
0:00
FINISH
26.22 mi14:13:463:28:417:587:49
7:41
-0:32

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

7:41 /mi

Average Pace

7:58 /mi

Slowest Pace

8:28 /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

3:20:13

96% of race

Time at Steady Pace

8:28

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:09:3824:337:5524:33
7:55
#16217
10K
6.21 mi11:33:5948:547:5324:21
7:51
#16054
15K
9.32 mi11:58:201:13:157:5224:21
7:51
#15920
20K
12.43 mi12:22:591:37:547:5324:39
7:57
#15809
HALF
13.11 mi12:28:181:43:137:535:19
7:48
#15803
25K
15.53 mi12:47:412:02:367:5419:23
8:00
#15716
30K
18.64 mi13:12:522:27:477:5625:11
8:07
#15416
20M
20.00 mi13:23:552:38:507:5711:03
8:09
#15275
21M
21.00 mi13:32:232:47:187:598:28
8:28
#15088
35K
21.75 mi13:38:132:53:087:585:50
7:48
#14993
23M
23.00 mi13:48:243:03:197:5910:11
8:09
#14888
24M
24.00 mi13:56:063:11:017:587:42
7:42
#14736
40K
24.85 mi14:03:073:18:027:597:01
8:13
#14687
25.2M
25.20 mi14:05:573:20:527:592:50
8:13
#14605
FINISH
26.22 mi14:13:463:28:417:587:49
7:41
#14536
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162175453545315672(Top 54%)5153(Top 41%)5153(Top 289%)
10K6.21 mi3.10 mi16054+1635368+855368+8515963(Top 55%)5285(Top 42%)5285(Top 296%)
15K9.32 mi3.11 mi15920+1345280+885280+8815672(Top 54%)5153(Top 41%)5153(Top 289%)
20K12.43 mi3.11 mi15809+1115236+445236+4415629(Top 54%)5160(Top 41%)5160(Top 289%)
HALF13.11 mi0.68 mi15803+65232+45232+415572(Top 54%)5072(Top 40%)5072(Top 284%)
25K15.53 mi2.42 mi15716+875200+325200+3215347(Top 53%)5046(Top 40%)5046(Top 283%)
30K18.64 mi3.11 mi15416+3005051+1495051+14914252(Top 49%)4547(Top 36%)4547(Top 255%)
20M20.00 mi1.36 mi15275+1414988+634988+6313805(Top 48%)4402(Top 35%)4402(Top 246%)
21M21.00 mi1.00 mi15088+1874910+784910+7812949(Top 45%)4035(Top 32%)4035(Top 226%)
35K21.75 mi0.75 mi14993+954868+424868+4213092(Top 45%)4136(Top 33%)4136(Top 232%)
23M23.00 mi1.25 mi14888+1054830+384830+3813410(Top 46%)4399(Top 35%)4399(Top 246%)
24M24.00 mi1.00 mi14736+1524764+664764+6611593(Top 40%)3502(Top 28%)3502(Top 196%)
40K24.85 mi0.85 mi14687+494754+104754+1013844(Top 48%)4797(Top 38%)4797(Top 269%)
25.2M25.20 mi0.35 mi14605+824712+424712+429851(Top 34%)2797(Top 22%)2797(Top 157%)
FINISH26.22 mi1.02 mi14536+694692+204692+2012783(Top 44%)4279(Top 34%)4279(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15672

Females

5153

F45-49

5153

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15963

Females

5285

F45-49

5285

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15672

Females

5153

F45-49

5153

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15629

Females

5160

F45-49

5160

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15572

Females

5072

F45-49

5072

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15347

Females

5046

F45-49

5046

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14252

Females

4547

F45-49

4547

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13805

Females

4402

F45-49

4402

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

12949

Females

4035

F45-49

4035

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13092

Females

4136

F45-49

4136

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13410

Females

4399

F45-49

4399

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11593

Females

3502

F45-49

3502

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

13844

Females

4797

F45-49

4797

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1
+13ft-16ft

Overall

9851

Females

2797

F45-49

2797

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12783

Females

4279

F45-49

4279

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2517*
Passed By
836
Net Change
+1681
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16217
5K → 10K363*200+163#16217#16054
10K → 15K274*140+134#16054#15920
15K → 20K237*126+111#15920#15809
20K → HALF4438+6#15809#15803
HALF → 25K17083+87#15803#15716
25K → 30K357*57+300#15716#15416
30K → 20M17130+141#15416#15275
20M → 21M206*19+187#15275#15088
21M → 35K10611+95#15088#14993
35K → 23M15651+105#14993#14888
23M → 24M16614+152#14888#14736
24M → 40K8031+49#14736#14687
40K → 25.2M875+82#14687#14605
25.2M → FINISH10031+69#14605#14536
TOTALS2517*836+1681

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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