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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Natalie Renshaw

Bib: 14418 •F •Age: N/A

CO

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Natalie

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 · 7:38/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
23:42
3.11 mi
Rank: #13919
Start → 5K
23:42 | 7:38/mi
10K
47:52
6.21 mi
Rank: #14676 (-757)
5K → 10K
24:10 | 7:47/mi
15K
1:12:21
9.32 mi
Rank: #15112 (-436)
10K → 15K
24:29 | 7:53/mi
20K
1:36:56
12.43 mi
Rank: #15179 (-67)
15K → 20K
24:35 | 7:55/mi
HALF
1:42:18
13.11 mi
Rank: #15219 (-40)
20K → HALF
5:22 | 7:53/mi
25K
2:01:57
15.53 mi
Rank: #15345 (-126)
HALF → 25K
19:39 | 8:07/mi
30K
2:28:03
18.64 mi
Rank: #15537 (-192)
25K → 30K
26:06 | 8:25/mi
20M
2:41:39
20.00 mi
Rank: #16351 (-814)
30K → 20M
13:36 | 10:01/mi
21M
2:50:40
21.00 mi
Rank: #16291 (+60)
20M → 21M
9:01 | 9:01/mi
35K
2:58:06
21.75 mi
Rank: #16669 (-378)
21M → 35K
7:26 | 9:57/mi
23M
3:08:55
23.00 mi
Rank: #16643 (+26)
35K → 23M
10:49 | 8:39/mi
24M
3:17:32
24.00 mi
Rank: #16676 (-33)
23M → 24M
8:37 | 8:37/mi
40K
3:25:01
24.85 mi
Rank: #16680 (-4)
24M → 40K
7:29 | 8:46/mi
25.2M
3:28:26
25.20 mi
Rank: #16711 (-31)
40K → 25.2M
3:25 | 9:55/mi
FINISH
3:36:44
26.22 mi
Rank: #16672 (+39)
25.2M → FINISH
8:18 | 8:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:18
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:54:26
Pace8:44 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4023:427:3823:42
7:38
-
10K
6.21 mi11:17:5047:527:4324:10
7:47
+0:09
15K
9.32 mi11:42:191:12:217:4624:29
7:53
+0:06
20K
12.43 mi12:06:541:36:567:4824:35
7:55
+0:02
HALF
13.11 mi12:12:161:42:187:495:22
7:53
-0:02
25K
15.53 mi12:31:552:01:577:5219:39
8:07
+0:14
30K
18.64 mi12:58:012:28:037:5726:06
8:25
+0:18
20M
20.00 mi13:11:372:41:398:0513:36
10:01
+1:36
21M
21.00 mi13:20:382:50:408:089:01
9:01
-1:00
35K
21.75 mi13:28:042:58:068:127:26
9:57
+0:56
23M
23.00 mi13:38:533:08:558:1310:49
8:39
-1:18
24M
24.00 mi13:47:303:17:328:148:37
8:37
-0:02
40K
24.85 mi13:54:593:25:018:157:29
8:46
+0:09
25.2M
25.20 mi13:58:243:28:268:173:25
9:55
+1:09
FINISH
26.22 mi14:06:423:36:448:178:18
8:09
-1:46

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

7:38 /mi

Average Pace

8:16 /mi

Slowest Pace

10:01 /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

1:42:18

47% of race

Time at Steady Pace

1:20:58

37% of race

Time at Slower Pace

33:28

15% of race

Average Pace: 8:16 /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 mi10:53:4023:427:3823:42
7:38
#13919
10K
6.21 mi11:17:5047:527:4324:10
7:47
#14676
15K
9.32 mi11:42:191:12:217:4624:29
7:53
#15112
20K
12.43 mi12:06:541:36:567:4824:35
7:55
#15179
HALF
13.11 mi12:12:161:42:187:495:22
7:53
#15219
25K
15.53 mi12:31:552:01:577:5219:39
8:07
#15345
30K
18.64 mi12:58:012:28:037:5726:06
8:25
#15537
20M
20.00 mi13:11:372:41:398:0513:36
10:01
#16351
21M
21.00 mi13:20:382:50:408:089:01
9:01
#16291
35K
21.75 mi13:28:042:58:068:127:26
9:57
#16669
23M
23.00 mi13:38:533:08:558:1310:49
8:39
#16643
24M
24.00 mi13:47:303:17:328:148:37
8:37
#16676
40K
24.85 mi13:54:593:25:018:157:29
8:46
#16680
25.2M
25.20 mi13:58:243:28:268:173:25
9:55
#16711
FINISH
26.22 mi14:06:423:36:448:178:18
8:09
#16672
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139194034403416040(Top 55%)5365(Top 43%)5365(Top 94%)
10K6.21 mi3.10 mi14676-7574498-4644498-46415452(Top 53%)4982(Top 40%)4982(Top 87%)
15K9.32 mi3.11 mi15112-4364810-3124810-31216040(Top 55%)5365(Top 43%)5365(Top 94%)
20K12.43 mi3.11 mi15179-674856-464856-4615462(Top 53%)5069(Top 40%)5069(Top 89%)
HALF13.11 mi0.68 mi15219-404878-224878-2216220(Top 56%)5474(Top 44%)5474(Top 96%)
25K15.53 mi2.42 mi15345-1264970-924970-9216159(Top 56%)5519(Top 44%)5519(Top 97%)
30K18.64 mi3.11 mi15537-1925123-1535123-15316279(Top 56%)5675(Top 45%)5675(Top 99%)
20M20.00 mi1.36 mi16351-8145622-4995622-49922614(Top 78%)9161(Top 73%)9161(Top 160%)
21M21.00 mi1.00 mi16291+605610+125610+1216244(Top 56%)5829(Top 46%)5829(Top 102%)
35K21.75 mi0.75 mi16669-3785823-2135823-21322982(Top 79%)9436(Top 75%)9436(Top 165%)
23M23.00 mi1.25 mi16643+265835-125835-1216576(Top 57%)6182(Top 49%)6182(Top 108%)
24M24.00 mi1.00 mi16676-335871-365871-3617591(Top 61%)6780(Top 54%)6780(Top 119%)
40K24.85 mi0.85 mi16680-45897-265897-2617151(Top 59%)6593(Top 52%)6593(Top 115%)
25.2M25.20 mi0.35 mi16711-315924-275924-2719058(Top 66%)7581(Top 60%)7581(Top 133%)
FINISH26.22 mi1.02 mi16672+395923+15923+116101(Top 55%)6000(Top 48%)6000(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16040

Females

5365

F18-39

5365

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15452

Females

4982

F18-39

4982

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16040

Females

5365

F18-39

5365

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15462

Females

5069

F18-39

5069

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16220

Females

5474

F18-39

5474

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16159

Females

5519

F18-39

5519

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16279

Females

5675

F18-39

5675

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22614

Females

9161

F18-39

9161

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16244

Females

5829

F18-39

5829

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22982

Females

9436

F18-39

9436

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16576

Females

6182

F18-39

6182

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17591

Females

6780

F18-39

6780

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17151

Females

6593

F18-39

6593

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19058

Females

7581

F18-39

7581

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16101

Females

6000

F18-39

6000

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1093
Passed By
1875
Net Change
-2753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13919
5K → 10K93200-757#13919#14676
10K → 15K88200-436#14676#15112
15K → 20K157200-67#15112#15179
20K → HALF2363-40#15179#15219
HALF → 25K102200-126#15219#15345
25K → 30K139200-192#15345#15537
30K → 20M10200-814#15537#16351
20M → 21M12262+60#16351#16291
21M → 35K12200-378#16291#16669
35K → 23M10478+26#16669#16643
23M → 24M6295-33#16643#16676
24M → 40K7579-4#16676#16680
40K → 25.2M2152-31#16680#16711
25.2M → FINISH8546+39#16711#16672
TOTALS10931875-2753
📊

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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