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BOSTON MARATHON 2025

Stephanie Mcrae

Bib: 16146•F

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
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
23:27
Rank: #12666
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
46:28
Rank: #11952 (+714)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:10:06
Rank: #12178 (-226)
10K → 15K
23:38 | 7:36/mi
20K· 12.43 mi
1:34:44
Rank: #12696 (-518)
15K → 20K
24:38 | 7:56/mi
Half· 13.11 mi
1:40:03
Rank: #12768 (-72)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
1:59:42
Rank: #13066 (-298)
Half → 25K
19:39 | 8:06/mi
30K· 18.64 mi
2:26:07
Rank: #13401 (-335)
25K → 30K
26:25 | 8:30/mi
20M
2:37:47
Rank: #13443 (-42)
30K → 20M
11:40 | 8:35/mi
21M
2:47:00
Rank: #13503 (-60)
20M → 21M
9:13 | 9:13/mi
35K· 21.75 mi
2:53:05
Rank: #13463 (+40)
21M → 35K
6:05 | 8:08/mi
23M
3:03:41
Rank: #13416 (+47)
35K → 23M
10:36 | 8:28/mi
24M
3:11:51
Rank: #13354 (+62)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:18:57
Rank: #13297 (+57)
24M → 40K
7:06 | 8:18/mi
25.2M
3:22:05
Rank: #13266 (+31)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:30:24
Rank: #13315 (-49)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:03
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5923:277:3323:27
7:33
-
10K
6.21 mi11:21:0046:287:2923:01
7:25
-0:08
15K
9.32 mi11:44:381:10:067:3123:38
7:36
+0:11
20K
12.43 mi12:09:161:34:447:3724:38
7:56
+0:20
Half
13.11 mi12:14:351:40:037:385:19
7:48
-0:08
25K
15.53 mi12:34:141:59:427:4219:39
8:06
+0:18
30K
18.64 mi13:00:392:26:077:5026:25
8:30
+0:24
20M
20.00 mi13:12:192:37:477:5311:40
8:35
+0:05
21M
21.00 mi13:21:322:47:007:579:13
9:13
+0:38
35K
21.75 mi13:27:372:53:057:586:05
8:08
-1:05
23M
23.00 mi13:38:133:03:417:5910:36
8:28
+0:20
24M
24.00 mi13:46:233:11:518:008:10
8:10
-0:18
40K
24.85 mi13:53:293:18:578:007:06
8:18
+0:08
25.2M
25.20 mi13:56:373:22:058:013:08
9:05
+0:47
Finish
26.22 mi14:04:563:30:248:028:19
8:10
-0:55

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

7:25 /mi

Average Pace

8:02 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:25

36% of race

Time at Steady Pace

1:13:57

35% of race

Time at Slower Pace

1:01:02

29% of race

Average Pace: 8:01 /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 mi10:57:5923:277:3323:27
7:33
#12666
10K
6.21 mi11:21:0046:287:2923:01
7:25
#11952
15K
9.32 mi11:44:381:10:067:3123:38
7:36
#12178
20K
12.43 mi12:09:161:34:447:3724:38
7:56
#12696
Half
13.11 mi12:14:351:40:037:385:19
7:48
#12768
25K
15.53 mi12:34:141:59:427:4219:39
8:06
#13066
30K
18.64 mi13:00:392:26:077:5026:25
8:30
#13401
20M
20.00 mi13:12:192:37:477:5311:40
8:35
#13443
21M
21.00 mi13:21:322:47:007:579:13
9:13
#13503
35K
21.75 mi13:27:372:53:057:586:05
8:08
#13463
23M
23.00 mi13:38:133:03:417:5910:36
8:28
#13416
24M
24.00 mi13:46:233:11:518:008:10
8:10
#13354
40K
24.85 mi13:53:293:18:578:007:06
8:18
#13297
25.2M
25.20 mi13:56:373:22:058:013:08
9:05
#13266
Finish
26.22 mi14:04:563:30:248:028:19
8:10
#13315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126663146314612675(Top 45%)3264(Top 27%)3264(Top 60%)
10K6.21 mi3.10 mi11952+7142784+3622784+36211281(Top 40%)2460(Top 20%)2460(Top 45%)
15K9.32 mi3.11 mi12178-2262936-1522936-15212675(Top 45%)3264(Top 27%)3264(Top 60%)
20K12.43 mi3.11 mi12696-5183265-3293265-32914359(Top 51%)4283(Top 35%)4283(Top 78%)
Half13.11 mi0.68 mi12768-723316-513316-5114245(Top 50%)4196(Top 34%)4196(Top 77%)
25K15.53 mi2.42 mi13066-2983513-1973513-19714679(Top 52%)4573(Top 37%)4573(Top 84%)
30K18.64 mi3.11 mi13401-3353770-2573770-25714768(Top 52%)4774(Top 39%)4774(Top 87%)
20M20.00 mi1.36 mi13443-423824-543824-5414347(Top 51%)4687(Top 38%)4687(Top 86%)
21M21.00 mi1.00 mi13503-603891-673891-6714715(Top 52%)5002(Top 41%)5002(Top 91%)
35K21.75 mi0.75 mi13463+403898-73898-713167(Top 46%)4251(Top 35%)4251(Top 78%)
23M23.00 mi1.25 mi13416+473907-93907-913118(Top 46%)4327(Top 35%)4327(Top 79%)
24M24.00 mi1.00 mi13354+623894+133894+1312380(Top 44%)3986(Top 33%)3986(Top 73%)
40K24.85 mi0.85 mi13297+573895-13895-112185(Top 43%)4007(Top 33%)4007(Top 73%)
25.2M25.20 mi0.35 mi13266+313891+43891+412344(Top 43%)4143(Top 34%)4143(Top 76%)
Finish26.22 mi1.02 mi13315-493929-383929-3814025(Top 49%)4956(Top 41%)4956(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12675

Females

3264

F18-39

3264

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11281

Females

2460

F18-39

2460

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12675

Females

3264

F18-39

3264

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14359

Females

4283

F18-39

4283

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14245

Females

4196

F18-39

4196

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14679

Females

4573

F18-39

4573

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14768

Females

4774

F18-39

4774

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14347

Females

4687

F18-39

4687

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14715

Females

5002

F18-39

5002

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13167

Females

4251

F18-39

4251

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13118

Females

4327

F18-39

4327

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12380

Females

3986

F18-39

3986

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12185

Females

4007

F18-39

4007

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12344

Females

4143

F18-39

4143

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14025

Females

4956

F18-39

4956

Passing Analysis

Category:
Athletes Passed
1908
Passed By
2557
Net Change
-649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12666
5K → 10K77359+714#12666#11952
10K → 15K116342-226#11952#12178
15K → 20K75593-518#12178#12696
20K → Half1486-72#12696#12768
Half → 25K84382-298#12768#13066
25K → 30K151486-335#13066#13401
30K → 20M109151-42#13401#13443
20M → 21M93153-60#13443#13503
21M → 35K7333+40#13503#13463
35K → 23M12477+47#13463#13416
23M → 24M10846+62#13416#13354
24M → 40K10043+57#13354#13297
40K → 25.2M4413+31#13297#13266
25.2M → Finish4493-49#13266#13315
TOTALS19082557-649
📊

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