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BOSTON MARATHON 2025

Stephanie Keith

Bib: 17219•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:12/mi
25:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:15:36
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:40:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:46:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
2:06:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:32:16
↑ 181↓ 1480.2%
20M
8:30/mi
2:43:49
↑ 64↓ 500.2%
21M
9:01/mi
2:52:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:58:55
↑ 17↓ 861.7%
23M
8:39/mi
3:09:45
↑ 23↓ 630.6%
24M
8:21/mi
3:18:06
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:25:19
↓ 200.3%
25.2M
9:23/mi
3:28:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:37:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:50:44
Pace8:27 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1425:298:1225:29
8:12
-
10K
6.21 mi11:41:1750:328:0825:03
8:04
-0:08
15K
9.32 mi12:06:211:15:368:0725:04
8:04
0:00
20K
12.43 mi12:31:371:40:528:0725:16
8:08
+0:04
Half
13.11 mi12:37:061:46:218:075:29
8:02
-0:06
25K
15.53 mi12:56:512:06:068:0719:45
8:09
+0:07
30K
18.64 mi13:23:012:32:168:1026:10
8:25
+0:16
20M
20.00 mi13:34:342:43:498:1111:33
8:30
+0:05
21M
21.00 mi13:43:352:52:508:149:01
9:01
+0:31
35K
21.75 mi13:49:402:58:558:146:05
8:08
-0:53
23M
23.00 mi14:00:303:09:458:1510:50
8:39
+0:31
24M
24.00 mi14:08:513:18:068:158:21
8:21
-0:18
40K
24.85 mi14:16:043:25:198:167:13
8:26
+0:05
25.2M
25.20 mi14:19:183:28:338:173:14
9:23
+0:57
Finish
26.22 mi14:27:503:37:058:178:32
8:22
-1:01

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

8:02 /mi

Average Pace

8:17 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:50

94% of race

Time at Steady Pace

12:15

6% of race

Time at Slower Pace

0:00

0% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:16:1425:298:1225:29
8:12
#18118
10K
6.21 mi11:41:1750:328:0825:03
8:04
#17507
15K
9.32 mi12:06:211:15:368:0725:04
8:04
#17162
20K
12.43 mi12:31:371:40:528:0725:16
8:08
#16805
Half
13.11 mi12:37:061:46:218:075:29
8:02
#16751
25K
15.53 mi12:56:512:06:068:0719:45
8:09
#16437
30K
18.64 mi13:23:012:32:168:1026:10
8:25
#15998
20M
20.00 mi13:34:342:43:498:1111:33
8:30
#15796
21M
21.00 mi13:43:352:52:508:149:01
9:01
#15616
35K
21.75 mi13:49:402:58:558:146:05
8:08
#15511
23M
23.00 mi14:00:303:09:458:1510:50
8:39
#15384
24M
24.00 mi14:08:513:18:068:158:21
8:21
#15280
40K
24.85 mi14:16:043:25:198:167:13
8:26
#15174
25.2M
25.20 mi14:19:183:28:338:173:14
9:23
#15143
Finish
26.22 mi14:27:503:37:058:178:32
8:22
#15153
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi181186413641316546(Top 58%)5468(Top 45%)5468(Top 100%)
10K6.21 mi3.10 mi17507+6116038+3756038+37516945(Top 60%)5672(Top 46%)5672(Top 104%)
15K9.32 mi3.11 mi17162+3455807+2315807+23116546(Top 58%)5468(Top 45%)5468(Top 100%)
20K12.43 mi3.11 mi16805+3575621+1865621+18615879(Top 56%)5144(Top 42%)5144(Top 94%)
Half13.11 mi0.68 mi16751+545588+335588+3316220(Top 57%)5307(Top 43%)5307(Top 97%)
25K15.53 mi2.42 mi16437+3145427+1615427+16114959(Top 53%)4717(Top 39%)4717(Top 86%)
30K18.64 mi3.11 mi15998+4395217+2105217+21014284(Top 50%)4526(Top 37%)4526(Top 83%)
20M20.00 mi1.36 mi15796+2025151+665151+6613819(Top 49%)4427(Top 36%)4427(Top 81%)
21M21.00 mi1.00 mi15616+1805083+685083+6813643(Top 48%)4438(Top 36%)4438(Top 81%)
35K21.75 mi0.75 mi15511+1055034+495034+4913201(Top 46%)4285(Top 35%)4285(Top 78%)
23M23.00 mi1.25 mi15384+1275004+305004+3014277(Top 50%)4949(Top 40%)4949(Top 90%)
24M24.00 mi1.00 mi15280+1044966+384966+3813594(Top 48%)4617(Top 38%)4617(Top 84%)
40K24.85 mi0.85 mi15174+1064942+244942+2413082(Top 46%)4493(Top 37%)4493(Top 82%)
25.2M25.20 mi0.35 mi15143+314936+64936+613942(Top 49%)4985(Top 41%)4985(Top 91%)
Finish26.22 mi1.02 mi15153-104959-234959-2315403(Top 54%)5692(Top 47%)5692(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16546

Females

5468

F18-39

5468

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16945

Females

5672

F18-39

5672

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16546

Females

5468

F18-39

5468

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15879

Females

5144

F18-39

5144

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16220

Females

5307

F18-39

5307

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14959

Females

4717

F18-39

4717

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14284

Females

4526

F18-39

4526

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13819

Females

4427

F18-39

4427

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13643

Females

4438

F18-39

4438

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13201

Females

4285

F18-39

4285

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14277

Females

4949

F18-39

4949

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13594

Females

4617

F18-39

4617

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13082

Females

4493

F18-39

4493

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13942

Females

4985

F18-39

4985

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15403

Females

5692

F18-39

5692

Passing Analysis

Category:
Athletes Passed
3474
Passed By
509
Net Change
+2965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18118
5K → 10K68877+611#18118#17507
10K → 15K41671+345#17507#17162
15K → 20K39538+357#17162#16805
20K → Half6612+54#16805#16751
Half → 25K33218+314#16751#16437
25K → 30K48344+439#16437#15998
30K → 20M22826+202#15998#15796
20M → 21M21232+180#15796#15616
21M → 35K11813+105#15616#15511
35K → 23M17043+127#15511#15384
23M → 24M12521+104#15384#15280
24M → 40K12216+106#15280#15174
40K → 25.2M5120+31#15174#15143
25.2M → Finish6878-10#15143#15153
TOTALS3474509+2965
📊

Passing Visuals

Category:
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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