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BOSTON MARATHON 2025

Kristin Stevenson

Bib: 16082•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #12816
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:36
Rank: #12141 (+675)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:10:50
Rank: #12872 (-731)
10K → 15K
24:14 | 7:48/mi
20K· 12.43 mi
1:35:45
Rank: #13415 (-543)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:41:00
Rank: #13399 (+16)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:01:19
Rank: #13971 (-572)
Half → 25K
20:19 | 8:23/mi
30K· 18.64 mi
2:28:28
Rank: #14411 (-440)
25K → 30K
27:09 | 8:44/mi
20M
2:40:25
Rank: #14498 (-87)
30K → 20M
11:57 | 8:48/mi
21M
2:50:52
Rank: #14930 (-432)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
2:57:03
Rank: #14879 (+51)
21M → 35K
6:11 | 8:16/mi
23M
3:08:05
Rank: #14854 (+25)
35K → 23M
11:02 | 8:49/mi
24M
3:16:36
Rank: #14827 (+27)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:25:33
Rank: #15244 (-417)
24M → 40K
8:57 | 10:28/mi
25.2M
3:28:47
Rank: #15222 (+22)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:37:07
Rank: #15167 (+55)
25.2M → Finish
8:20 | 8:11/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:00
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:56:07
Pace8:51 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4623:307:3423:30
7:34
-
10K
6.21 mi11:20:5246:367:3023:06
7:26
-0:08
15K
9.32 mi11:45:061:10:507:3624:14
7:48
+0:22
20K
12.43 mi12:10:011:35:457:4224:55
8:01
+0:13
Half
13.11 mi12:15:161:41:007:425:15
7:42
-0:19
25K
15.53 mi12:35:352:01:197:4920:19
8:23
+0:41
30K
18.64 mi13:02:442:28:287:5827:09
8:44
+0:21
20M
20.00 mi13:14:412:40:258:0111:57
8:48
+0:04
21M
21.00 mi13:25:082:50:528:0810:27
10:27
+1:39
35K
21.75 mi13:31:192:57:038:086:11
8:16
-2:11
23M
23.00 mi13:42:213:08:058:1111:02
8:49
+0:33
24M
24.00 mi13:50:523:16:368:128:31
8:31
-0:18
40K
24.85 mi13:59:493:25:338:168:57
10:28
+1:57
25.2M
25.20 mi14:03:033:28:478:173:14
9:23
-1:05
Finish
26.22 mi14:11:233:37:078:178:20
8:11
-1:12

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

7:26 /mi

Average Pace

8:17 /mi

Slowest Pace

10:28 /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

1:16:05

35% of race

Time at Steady Pace

1:58:24

55% of race

Time at Slower Pace

22:38

10% of race

Average Pace: 8:17 /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 mi10:57:4623:307:3423:30
7:34
#12816
10K
6.21 mi11:20:5246:367:3023:06
7:26
#12141
15K
9.32 mi11:45:061:10:507:3624:14
7:48
#12872
20K
12.43 mi12:10:011:35:457:4224:55
8:01
#13415
Half
13.11 mi12:15:161:41:007:425:15
7:42
#13399
25K
15.53 mi12:35:352:01:197:4920:19
8:23
#13971
30K
18.64 mi13:02:442:28:287:5827:09
8:44
#14411
20M
20.00 mi13:14:412:40:258:0111:57
8:48
#14498
21M
21.00 mi13:25:082:50:528:0810:27
10:27
#14930
35K
21.75 mi13:31:192:57:038:086:11
8:16
#14879
23M
23.00 mi13:42:213:08:058:1111:02
8:49
#14854
24M
24.00 mi13:50:523:16:368:128:31
8:31
#14827
40K
24.85 mi13:59:493:25:338:168:57
10:28
#15244
25.2M
25.20 mi14:03:033:28:478:173:14
9:23
#15222
Finish
26.22 mi14:11:233:37:078:178:20
8:11
#15167
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128163221322114389(Top 51%)4254(Top 35%)4254(Top 78%)
10K6.21 mi3.10 mi12141+6752886+3352886+33511530(Top 41%)2585(Top 21%)2585(Top 47%)
15K9.32 mi3.11 mi12872-7313313-4273313-42714389(Top 51%)4254(Top 35%)4254(Top 78%)
20K12.43 mi3.11 mi13415-5433670-3573670-35715096(Top 53%)4694(Top 38%)4694(Top 86%)
Half13.11 mi0.68 mi13399+163669+13669+113451(Top 47%)3762(Top 31%)3762(Top 69%)
25K15.53 mi2.42 mi13971-5724027-3584027-35816439(Top 58%)5550(Top 45%)5550(Top 101%)
30K18.64 mi3.11 mi14411-4404342-3154342-31516227(Top 57%)5601(Top 46%)5601(Top 102%)
20M20.00 mi1.36 mi14498-874414-724414-7215637(Top 55%)5381(Top 44%)5381(Top 98%)
21M21.00 mi1.00 mi14930-4324681-2674681-26719846(Top 70%)7817(Top 64%)7817(Top 143%)
35K21.75 mi0.75 mi14879+514668+134668+1314083(Top 50%)4719(Top 39%)4719(Top 86%)
23M23.00 mi1.25 mi14854+254682-144682-1415194(Top 53%)5434(Top 44%)5434(Top 99%)
24M24.00 mi1.00 mi14827+274700-184700-1814639(Top 52%)5175(Top 42%)5175(Top 95%)
40K24.85 mi0.85 mi15244-4174984-2844984-28421834(Top 77%)9107(Top 74%)9107(Top 167%)
25.2M25.20 mi0.35 mi15222+224984498413943(Top 49%)4986(Top 41%)4986(Top 91%)
Finish26.22 mi1.02 mi15167+554970+144970+1414148(Top 50%)5024(Top 41%)5024(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14389

Females

4254

F18-39

4254

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11530

Females

2585

F18-39

2585

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14389

Females

4254

F18-39

4254

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15096

Females

4694

F18-39

4694

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13451

Females

3762

F18-39

3762

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16439

Females

5550

F18-39

5550

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16227

Females

5601

F18-39

5601

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15637

Females

5381

F18-39

5381

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19846

Females

7817

F18-39

7817

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14083

Females

4719

F18-39

4719

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15194

Females

5434

F18-39

5434

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14639

Females

5175

F18-39

5175

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21834

Females

9107

F18-39

9107

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13943

Females

4986

F18-39

4986

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14148

Females

5024

F18-39

5024

Passing Analysis

Category:
Athletes Passed
1696
Passed By
4047
Net Change
-2351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12816
5K → 10K73863+675#12816#12141
10K → 15K48779-731#12141#12872
15K → 20K77620-543#12872#13415
20K → Half4529+16#13415#13399
Half → 25K64636-572#13399#13971
25K → 30K140580-440#13971#14411
30K → 20M102189-87#14411#14498
20M → 21M31463-432#14498#14930
21M → 35K8130+51#14930#14879
35K → 23M130105+25#14879#14854
23M → 24M8558+27#14854#14827
24M → 40K15432-417#14827#15244
40K → 25.2M4523+22#15244#15222
25.2M → Finish9540+55#15222#15167
TOTALS16964047-2351
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing