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BOSTON MARATHON 2025

Stephanie Severance

Bib: 13070•F

KY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
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
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:24
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:35:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:40:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:58:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:23:05
↑ 181↓ 1480.2%
20M
7:51/mi
2:33:45
↑ 64↓ 500.2%
21M
8:06/mi
2:41:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:47:30
↑ 17↓ 861.7%
23M
7:45/mi
2:57:12
↑ 23↓ 630.6%
24M
7:30/mi
3:04:42
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:11:09
↓ 200.3%
25.2M
8:22/mi
3:14:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:21:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:40:20
Pace7:39 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1523:537:4123:53
7:41
-
10K
6.21 mi11:20:0447:427:4123:49
7:40
-0:01
15K
9.32 mi11:43:461:11:247:4023:42
7:38
-0:02
20K
12.43 mi12:07:301:35:087:3923:44
7:38
0:00
Half
13.11 mi12:12:421:40:207:395:12
7:37
-0:01
25K
15.53 mi12:31:181:58:567:3918:36
7:40
+0:03
30K
18.64 mi12:55:272:23:057:4124:09
7:46
+0:06
20M
20.00 mi13:06:072:33:457:4110:40
7:51
+0:05
21M
21.00 mi13:14:132:41:517:428:06
8:06
+0:15
35K
21.75 mi13:19:522:47:307:425:39
7:33
-0:33
23M
23.00 mi13:29:342:57:127:429:42
7:45
+0:12
24M
24.00 mi13:37:043:04:427:427:30
7:30
-0:15
40K
24.85 mi13:43:313:11:097:416:27
7:33
+0:03
25.2M
25.20 mi13:46:243:14:027:422:53
8:22
+0:49
Finish
26.22 mi13:53:593:21:377:427:35
7:26
-0:56

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

7:42 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:44

99% of race

Time at Steady Pace

2:53

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:56:1523:537:4123:53
7:41
#13865
10K
6.21 mi11:20:0447:427:4123:49
7:40
#13727
15K
9.32 mi11:43:461:11:247:4023:42
7:38
#13408
20K
12.43 mi12:07:301:35:087:3923:44
7:38
#12967
Half
13.11 mi12:12:421:40:207:395:12
7:37
#12935
25K
15.53 mi12:31:181:58:567:3918:36
7:40
#12656
30K
18.64 mi12:55:272:23:057:4124:09
7:46
#12041
20M
20.00 mi13:06:072:33:457:4110:40
7:51
#11792
21M
21.00 mi13:14:132:41:517:428:06
8:06
#11540
35K
21.75 mi13:19:522:47:307:425:39
7:33
#11418
23M
23.00 mi13:29:342:57:127:429:42
7:45
#11174
24M
24.00 mi13:37:043:04:427:427:30
7:30
#10975
40K
24.85 mi13:43:313:11:097:416:27
7:33
#10800
25.2M
25.20 mi13:46:243:14:027:422:53
8:22
#10732
Finish
26.22 mi13:53:593:21:377:427:35
7:26
#10619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138653811381112866(Top 45%)3363(Top 28%)3363(Top 61%)
10K6.21 mi3.10 mi13727+1383779+323779+3213586(Top 48%)3708(Top 30%)3708(Top 68%)
15K9.32 mi3.11 mi13408+3193629+1503629+15012866(Top 45%)3363(Top 28%)3363(Top 61%)
20K12.43 mi3.11 mi12967+4413425+2043425+20411875(Top 42%)2932(Top 24%)2932(Top 54%)
Half13.11 mi0.68 mi12935+323412+133412+1312772(Top 45%)3351(Top 27%)3351(Top 61%)
25K15.53 mi2.42 mi12656+2793278+1343278+13411325(Top 40%)2753(Top 23%)2753(Top 50%)
30K18.64 mi3.11 mi12041+6153017+2613017+2619740(Top 34%)2161(Top 18%)2161(Top 40%)
20M20.00 mi1.36 mi11792+2492918+992918+999393(Top 33%)2172(Top 18%)2172(Top 40%)
21M21.00 mi1.00 mi11540+2522833+852833+858001(Top 28%)1740(Top 14%)1740(Top 32%)
35K21.75 mi0.75 mi11418+1222797+362797+369064(Top 32%)2158(Top 18%)2158(Top 39%)
23M23.00 mi1.25 mi11174+2442708+892708+898257(Top 29%)1938(Top 16%)1938(Top 35%)
24M24.00 mi1.00 mi10975+1992645+632645+637735(Top 27%)1768(Top 14%)1768(Top 32%)
40K24.85 mi0.85 mi10800+1752586+592586+597106(Top 25%)1608(Top 13%)1608(Top 29%)
25.2M25.20 mi0.35 mi10732+682554+322554+328045(Top 28%)2103(Top 17%)2103(Top 38%)
Finish26.22 mi1.02 mi10619+1132531+232531+238812(Top 31%)2450(Top 20%)2450(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12866

Females

3363

F18-39

3363

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13586

Females

3708

F18-39

3708

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12866

Females

3363

F18-39

3363

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11875

Females

2932

F18-39

2932

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12772

Females

3351

F18-39

3351

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11325

Females

2753

F18-39

2753

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9740

Females

2161

F18-39

2161

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9393

Females

2172

F18-39

2172

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

8001

Females

1740

F18-39

1740

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9064

Females

2158

F18-39

2158

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8257

Females

1938

F18-39

1938

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7735

Females

1768

F18-39

1768

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7106

Females

1608

F18-39

1608

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8045

Females

2103

F18-39

2103

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8812

Females

2450

F18-39

2450

Passing Analysis

Category:
Athletes Passed
3714
Passed By
468
Net Change
+3246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13865
5K → 10K350212+138#13865#13727
10K → 15K38465+319#13727#13408
15K → 20K47231+441#13408#12967
20K → Half4614+32#12967#12935
Half → 25K30627+279#12935#12656
25K → 30K63015+615#12656#12041
30K → 20M26718+249#12041#11792
20M → 21M26311+252#11792#11540
21M → 35K13614+122#11540#11418
35K → 23M25713+244#11418#11174
23M → 24M2012+199#11174#10975
24M → 40K1849+175#10975#10800
40K → 25.2M757+68#10800#10732
25.2M → Finish14330+113#10732#10619
TOTALS3714468+3246
📊

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