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BOSTON MARATHON 2025

Annika Cotner

Bib: 17070•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:19
Rank: #9343
Start → 5K
22:19 | 7:11/mi
10K· 6.21 mi
44:29
Rank: #9119 (+224)
5K → 10K
22:10 | 7:08/mi
15K· 9.32 mi
1:07:17
Rank: #9496 (-377)
10K → 15K
22:48 | 7:20/mi
20K· 12.43 mi
1:31:13
Rank: #10230 (-734)
15K → 20K
23:56 | 7:42/mi
Half· 13.11 mi
1:36:25
Rank: #10350 (-120)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:55:32
Rank: #10784 (-434)
Half → 25K
19:07 | 7:53/mi
30K· 18.64 mi
2:21:25
Rank: #11331 (-547)
25K → 30K
25:53 | 8:20/mi
20M
2:33:03
Rank: #11498 (-167)
30K → 20M
11:38 | 8:34/mi
21M
2:42:17
Rank: #11710 (-212)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
2:48:32
Rank: #11821 (-111)
21M → 35K
6:15 | 8:21/mi
23M
2:59:19
Rank: #11938 (-117)
35K → 23M
10:47 | 8:37/mi
24M
3:07:43
Rank: #12025 (-87)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:15:03
Rank: #12086 (-61)
24M → 40K
7:20 | 8:35/mi
25.2M
3:18:22
Rank: #12139 (-53)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:26:35
Rank: #12158 (-19)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:25
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:3522:197:1122:19
7:11
-
10K
6.21 mi11:34:4544:297:1022:10
7:08
-0:03
15K
9.32 mi11:57:331:07:177:1322:48
7:20
+0:12
20K
12.43 mi12:21:291:31:137:2023:56
7:42
+0:22
Half
13.11 mi12:26:411:36:257:215:12
7:37
-0:05
25K
15.53 mi12:45:481:55:327:2619:07
7:53
+0:16
30K
18.64 mi13:11:412:21:257:3525:53
8:20
+0:27
20M
20.00 mi13:23:192:33:037:3911:38
8:34
+0:14
21M
21.00 mi13:32:332:42:177:449:14
9:14
+0:40
35K
21.75 mi13:38:482:48:327:456:15
8:21
-0:53
23M
23.00 mi13:49:352:59:197:4810:47
8:37
+0:16
24M
24.00 mi13:57:593:07:437:498:24
8:24
-0:13
40K
24.85 mi14:05:193:15:037:517:20
8:35
+0:11
25.2M
25.20 mi14:08:383:18:227:523:19
9:37
+1:02
Finish
26.22 mi14:16:513:26:357:538:13
8:04
-1:33

Checkpoints & Pacing

📈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

7:08 /mi

Average Pace

7:53 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:32

56% of race

Time at Steady Pace

1:18:30

38% of race

Time at Slower Pace

12:33

6% of race

Average Pace: 7:53 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:12:3522:197:1122:19
7:11
#9343
10K
6.21 mi11:34:4544:297:1022:10
7:08
#9119
15K
9.32 mi11:57:331:07:177:1322:48
7:20
#9496
20K
12.43 mi12:21:291:31:137:2023:56
7:42
#10230
Half
13.11 mi12:26:411:36:257:215:12
7:37
#10350
25K
15.53 mi12:45:481:55:327:2619:07
7:53
#10784
30K
18.64 mi13:11:412:21:257:3525:53
8:20
#11331
20M
20.00 mi13:23:192:33:037:3911:38
8:34
#11498
21M
21.00 mi13:32:332:42:177:449:14
9:14
#11710
35K
21.75 mi13:38:482:48:327:456:15
8:21
#11821
23M
23.00 mi13:49:352:59:197:4810:47
8:37
#11938
24M
24.00 mi13:57:593:07:437:498:24
8:24
#12025
40K
24.85 mi14:05:193:15:037:517:20
8:35
#12086
25.2M
25.20 mi14:08:383:18:227:523:19
9:37
#12139
Finish
26.22 mi14:16:513:26:357:538:13
8:04
#12158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi93431532153210336(Top 36%)2047(Top 17%)2047(Top 37%)
10K6.21 mi3.10 mi9119+2241426+1061426+1068977(Top 32%)1370(Top 11%)1370(Top 25%)
15K9.32 mi3.11 mi9496-3771597-1711597-17110336(Top 36%)2047(Top 17%)2047(Top 37%)
20K12.43 mi3.11 mi10230-7341978-3811978-38112456(Top 44%)3253(Top 27%)3253(Top 59%)
Half13.11 mi0.68 mi10350-1202041-632041-6312813(Top 45%)3392(Top 28%)3392(Top 62%)
25K15.53 mi2.42 mi10784-4342278-2372278-23712993(Top 46%)3665(Top 30%)3665(Top 67%)
30K18.64 mi3.11 mi11331-5472640-3622640-36213695(Top 48%)4195(Top 34%)4195(Top 77%)
20M20.00 mi1.36 mi11498-1672773-1332773-13314173(Top 50%)4595(Top 38%)4595(Top 84%)
21M21.00 mi1.00 mi11710-2122915-1422915-14214809(Top 52%)5049(Top 41%)5049(Top 92%)
35K21.75 mi0.75 mi11821-1113003-883003-8814610(Top 51%)5013(Top 41%)5013(Top 92%)
23M23.00 mi1.25 mi11938-1173103-1003103-10014016(Top 49%)4794(Top 39%)4794(Top 88%)
24M24.00 mi1.00 mi12025-873188-853188-8513880(Top 49%)4747(Top 39%)4747(Top 87%)
40K24.85 mi0.85 mi12086-613253-653253-6513936(Top 49%)4922(Top 40%)4922(Top 90%)
25.2M25.20 mi0.35 mi12139-533292-393292-3915189(Top 53%)5630(Top 46%)5630(Top 103%)
Finish26.22 mi1.02 mi12158-193328-363328-3613325(Top 47%)4604(Top 38%)4604(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10336

Females

2047

F18-39

2047

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8977

Females

1370

F18-39

1370

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10336

Females

2047

F18-39

2047

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12456

Females

3253

F18-39

3253

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12813

Females

3392

F18-39

3392

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12993

Females

3665

F18-39

3665

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13695

Females

4195

F18-39

4195

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14173

Females

4595

F18-39

4595

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14809

Females

5049

F18-39

5049

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14610

Females

5013

F18-39

5013

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

14016

Females

4794

F18-39

4794

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13880

Females

4747

F18-39

4747

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13936

Females

4922

F18-39

4922

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15189

Females

5630

F18-39

5630

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13325

Females

4604

F18-39

4604

Passing Analysis

Category:
Athletes Passed
1097
Passed By
3910
Net Change
-2815
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9343
5K → 10K354130+224#9343#9119
10K → 15K65442-377#9119#9496
15K → 20K55787-734#9496#10230
20K → Half7127-120#10230#10350
Half → 25K74508-434#10350#10784
25K → 30K105652-547#10784#11331
30K → 20M74241-167#11331#11498
20M → 21M52264-212#11498#11710
21M → 35K32143-111#11710#11821
35K → 23M82199-117#11821#11938
23M → 24M57144-87#11938#12025
24M → 40K56117-61#12025#12086
40K → 25.2M2780-53#12086#12139
25.2M → Finish5776-19#12139#12158
TOTALS10973910-2815
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing