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BOSTON MARATHON 2025

Stephanie Dahl-Jensen

Bib: 30729•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:28
Rank: #19992
Start → 5K
26:28 | 8:31/mi
10K· 6.21 mi
53:36
Rank: #20537 (-545)
5K → 10K
27:08 | 8:44/mi
15K· 9.32 mi
1:19:53
Rank: #20082 (+455)
10K → 15K
26:17 | 8:28/mi
20K· 12.43 mi
1:46:23
Rank: #19654 (+428)
15K → 20K
26:30 | 8:32/mi
Half· 13.11 mi
1:52:00
Rank: #19543 (+111)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:12:30
Rank: #19089 (+454)
Half → 25K
20:30 | 8:27/mi
30K· 18.64 mi
2:39:22
Rank: #18441 (+648)
25K → 30K
26:52 | 8:39/mi
20M
2:50:48
Rank: #18032 (+409)
30K → 20M
11:26 | 8:25/mi
21M
2:59:44
Rank: #17751 (+281)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
3:05:47
Rank: #17558 (+193)
21M → 35K
6:03 | 8:05/mi
23M
3:16:22
Rank: #17272 (+286)
35K → 23M
10:35 | 8:27/mi
24M
3:24:42
Rank: #17089 (+183)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:31:43
Rank: #16862 (+227)
24M → 40K
7:01 | 8:12/mi
25.2M
3:34:48
Rank: #16763 (+99)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:42:53
Rank: #16600 (+163)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:00
Pace8:33 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:53
Pace8:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5426:288:3126:28
8:31
-
10K
6.21 mi12:20:0253:368:3827:08
8:44
+0:13
15K
9.32 mi12:46:191:19:538:3426:17
8:28
-0:16
20K
12.43 mi13:12:491:46:238:3426:30
8:32
+0:04
Half
13.11 mi13:18:261:52:008:335:37
8:14
-0:18
25K
15.53 mi13:38:562:12:308:3220:30
8:27
+0:13
30K
18.64 mi14:05:482:39:228:3326:52
8:39
+0:12
20M
20.00 mi14:17:142:50:488:3211:26
8:25
-0:14
21M
21.00 mi14:26:102:59:448:348:56
8:56
+0:31
35K
21.75 mi14:32:133:05:478:336:03
8:05
-0:51
23M
23.00 mi14:42:483:16:228:3210:35
8:27
+0:22
24M
24.00 mi14:51:083:24:428:328:20
8:20
-0:07
40K
24.85 mi14:58:093:31:438:317:01
8:12
-0:08
25.2M
25.20 mi15:01:143:34:488:313:05
8:56
+0:44
Finish
26.22 mi15:09:193:42:538:308:05
7:56
-1:00

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

7:56 /mi

Average Pace

8:30 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:44

82% of race

Time at Steady Pace

39:09

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:30 /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 mi11:52:5426:288:3126:28
8:31
#19992
10K
6.21 mi12:20:0253:368:3827:08
8:44
#20537
15K
9.32 mi12:46:191:19:538:3426:17
8:28
#20082
20K
12.43 mi13:12:491:46:238:3426:30
8:32
#19654
Half
13.11 mi13:18:261:52:008:335:37
8:14
#19543
25K
15.53 mi13:38:562:12:308:3220:30
8:27
#19089
30K
18.64 mi14:05:482:39:228:3326:52
8:39
#18441
20M
20.00 mi14:17:142:50:488:3211:26
8:25
#18032
21M
21.00 mi14:26:102:59:448:348:56
8:56
#17751
35K
21.75 mi14:32:133:05:478:336:03
8:05
#17558
23M
23.00 mi14:42:483:16:228:3210:35
8:27
#17272
24M
24.00 mi14:51:083:24:428:328:20
8:20
#17089
40K
24.85 mi14:58:093:31:438:317:01
8:12
#16862
25.2M
25.20 mi15:01:143:34:488:313:05
8:56
#16763
Finish
26.22 mi15:09:193:42:538:308:05
7:56
#16600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199927496749619093(Top 67%)6949(Top 57%)6949(Top 127%)
10K6.21 mi3.10 mi20537-5457791-2957791-29521071(Top 74%)8054(Top 66%)8054(Top 147%)
15K9.32 mi3.11 mi20082+4557516+2757516+27519093(Top 67%)6949(Top 57%)6949(Top 127%)
20K12.43 mi3.11 mi19654+4287277+2397277+23918437(Top 65%)6587(Top 54%)6587(Top 120%)
Half13.11 mi0.68 mi19543+1117215+627215+6217519(Top 62%)6045(Top 49%)6045(Top 111%)
25K15.53 mi2.42 mi19089+4546965+2506965+25016919(Top 60%)5808(Top 47%)5808(Top 106%)
30K18.64 mi3.11 mi18441+6486627+3386627+33815701(Top 55%)5287(Top 43%)5287(Top 97%)
20M20.00 mi1.36 mi18032+4096439+1886439+18813279(Top 47%)4140(Top 34%)4140(Top 76%)
21M21.00 mi1.00 mi17751+2816297+1426297+14213161(Top 46%)4206(Top 34%)4206(Top 77%)
35K21.75 mi0.75 mi17558+1936219+786219+7812913(Top 45%)4132(Top 34%)4132(Top 76%)
23M23.00 mi1.25 mi17272+2866098+1216098+12113056(Top 46%)4313(Top 35%)4313(Top 79%)
24M24.00 mi1.00 mi17089+1836011+876011+8713516(Top 48%)4582(Top 37%)4582(Top 84%)
40K24.85 mi0.85 mi16862+2275909+1025909+10211651(Top 41%)3743(Top 31%)3743(Top 68%)
25.2M25.20 mi0.35 mi16763+995867+425867+4211582(Top 41%)3819(Top 31%)3819(Top 70%)
Finish26.22 mi1.02 mi16600+1635787+805787+8012478(Top 44%)4186(Top 34%)4186(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19093

Females

6949

F18-39

6949

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21071

Females

8054

F18-39

8054

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19093

Females

6949

F18-39

6949

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18437

Females

6587

F18-39

6587

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17519

Females

6045

F18-39

6045

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16919

Females

5808

F18-39

5808

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15701

Females

5287

F18-39

5287

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13279

Females

4140

F18-39

4140

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13161

Females

4206

F18-39

4206

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12913

Females

4132

F18-39

4132

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13056

Females

4313

F18-39

4313

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13516

Females

4582

F18-39

4582

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11651

Females

3743

F18-39

3743

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11582

Females

3819

F18-39

3819

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12478

Females

4186

F18-39

4186

Passing Analysis

Category:
Athletes Passed
4164
Passed By
772
Net Change
+3392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19992
5K → 10K99644-545#19992#20537
10K → 15K48328+455#20537#20082
15K → 20K45325+428#20082#19654
20K → Half1187+111#19654#19543
Half → 25K46713+454#19543#19089
25K → 30K66113+648#19089#18441
30K → 20M4101+409#18441#18032
20M → 21M2832+281#18032#17751
21M → 35K1941+193#17751#17558
35K → 23M2959+286#17558#17272
23M → 24M1918+183#17272#17089
24M → 40K2325+227#17089#16862
40K → 25.2M1023+99#16862#16763
25.2M → Finish17613+163#16763#16600
TOTALS4164772+3392
📊

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