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BOSTON MARATHON 2025

Alice Outslay

Bib: 28375•F

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:49
Rank: #26163
Start → 5K
31:49 | 10:14/mi
10K· 6.21 mi
1:03:25
Rank: #25919 (+244)
5K → 10K
31:36 | 10:10/mi
15K· 9.32 mi
1:34:32
Rank: #25605 (+314)
10K → 15K
31:07 | 10:01/mi
20K· 12.43 mi
2:07:34
Rank: #25544 (+61)
15K → 20K
33:02 | 10:38/mi
Half· 13.11 mi
2:14:18
Rank: #25504 (+40)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:40:16
Rank: #25357 (+147)
Half → 25K
25:58 | 10:43/mi
30K· 18.64 mi
3:15:08
Rank: #25170 (+187)
25K → 30K
34:52 | 11:13/mi
20M
3:31:14
Rank: #25179 (-9)
30K → 20M
16:06 | 11:51/mi
21M
3:45:39
Rank: #25295 (-116)
20M → 21M
14:25 | 14:25/mi
35K· 21.75 mi
3:54:01
Rank: #25281 (+14)
21M → 35K
8:22 | 11:11/mi
23M
4:08:31
Rank: #25229 (+52)
35K → 23M
14:30 | 11:35/mi
24M
4:20:33
Rank: #25265 (-36)
23M → 24M
12:02 | 12:02/mi
40K· 24.85 mi
4:30:59
Rank: #25269 (-4)
24M → 40K
10:26 | 12:12/mi
25.2M
4:36:29
Rank: #25326 (-57)
40K → 25.2M
5:30 | 15:57/mi
Finish· 26.22 mi
4:47:21
Rank: #25316 (+10)
25.2M → Finish
10:52 | 10:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:18
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:33:03
Pace11:41 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3831:4910:1431:49
10:14
-
10K
6.21 mi12:26:141:03:2510:1231:36
10:10
-0:04
15K
9.32 mi12:57:211:34:3210:0931:07
10:01
-0:09
20K
12.43 mi13:30:232:07:3410:1633:02
10:38
+0:37
Half
13.11 mi13:37:072:14:1810:156:44
9:52
-0:46
25K
15.53 mi14:03:052:40:1610:1925:58
10:43
+0:51
30K
18.64 mi14:37:573:15:0810:2834:52
11:13
+0:30
20M
20.00 mi14:54:033:31:1410:3416:06
11:51
+0:38
21M
21.00 mi15:08:283:45:3910:4514:25
14:25
+2:34
35K
21.75 mi15:16:503:54:0110:468:22
11:11
-3:14
23M
23.00 mi15:31:204:08:3110:4814:30
11:35
+0:24
24M
24.00 mi15:43:224:20:3310:5112:02
12:02
+0:27
40K
24.85 mi15:53:484:30:5910:5410:26
12:12
+0:10
25.2M
25.20 mi15:59:184:36:2910:585:30
15:57
+3:45
Finish
26.22 mi16:10:104:47:2110:5810:52
10:40
-5:17

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

9:52 /mi

Average Pace

10:58 /mi

Slowest Pace

15:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:16

35% of race

Time at Steady Pace

2:23:42

50% of race

Time at Slower Pace

42:23

15% of race

Average Pace: 10:58 /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 mi11:54:3831:4910:1431:49
10:14
#26163
10K
6.21 mi12:26:141:03:2510:1231:36
10:10
#25919
15K
9.32 mi12:57:211:34:3210:0931:07
10:01
#25605
20K
12.43 mi13:30:232:07:3410:1633:02
10:38
#25544
Half
13.11 mi13:37:072:14:1810:156:44
9:52
#25504
25K
15.53 mi14:03:052:40:1610:1925:58
10:43
#25357
30K
18.64 mi14:37:573:15:0810:2834:52
11:13
#25170
20M
20.00 mi14:54:033:31:1410:3416:06
11:51
#25179
21M
21.00 mi15:08:283:45:3910:4514:25
14:25
#25295
35K
21.75 mi15:16:503:54:0110:468:22
11:11
#25281
23M
23.00 mi15:31:204:08:3110:4814:30
11:35
#25229
24M
24.00 mi15:43:224:20:3310:5112:02
12:02
#25265
40K
24.85 mi15:53:484:30:5910:5410:26
12:12
#25269
25.2M
25.20 mi15:59:184:36:2910:585:30
15:57
#25326
Finish
26.22 mi16:10:104:47:2110:5810:52
10:40
#25316
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi26163108521085225015(Top 88%)10220(Top 84%)10220(Top 564%)
10K6.21 mi3.10 mi25919+24410726+12610726+12625675(Top 90%)10620(Top 87%)10620(Top 586%)
15K9.32 mi3.11 mi25605+31410560+16610560+16625015(Top 88%)10220(Top 84%)10220(Top 564%)
20K12.43 mi3.11 mi25544+6110531+2910531+2925408(Top 89%)10484(Top 86%)10484(Top 578%)
Half13.11 mi0.68 mi25504+4010515+1610515+1624525(Top 86%)10019(Top 82%)10019(Top 553%)
25K15.53 mi2.42 mi25357+14710449+6610449+6624728(Top 87%)10145(Top 83%)10145(Top 560%)
30K18.64 mi3.11 mi25170+18710378+7110378+7124411(Top 86%)10084(Top 82%)10084(Top 556%)
20M20.00 mi1.36 mi25179-910399-2110399-2125044(Top 88%)10499(Top 86%)10499(Top 579%)
21M21.00 mi1.00 mi25295-11610473-7410473-7426622(Top 94%)11377(Top 93%)11377(Top 628%)
35K21.75 mi0.75 mi25281+1410472+110472+124556(Top 86%)10365(Top 85%)10365(Top 572%)
23M23.00 mi1.25 mi25229+5210454+1810454+1824382(Top 86%)10291(Top 84%)10291(Top 568%)
24M24.00 mi1.00 mi25265-3610490-3610490-3625715(Top 91%)10987(Top 90%)10987(Top 606%)
40K24.85 mi0.85 mi25269-410498-810498-825229(Top 89%)10780(Top 88%)10780(Top 595%)
25.2M25.20 mi0.35 mi25326-5710528-3010528-3027666(Top 97%)11965(Top 98%)11965(Top 660%)
Finish26.22 mi1.02 mi25316+1010530-210530-224627(Top 87%)10469(Top 86%)10469(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25015

Females

10220

F45-49

10220

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25675

Females

10620

F45-49

10620

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25015

Females

10220

F45-49

10220

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25408

Females

10484

F45-49

10484

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24525

Females

10019

F45-49

10019

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24728

Females

10145

F45-49

10145

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24411

Females

10084

F45-49

10084

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25044

Females

10499

F45-49

10499

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

26622

Females

11377

F45-49

11377

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24556

Females

10365

F45-49

10365

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24382

Females

10291

F45-49

10291

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25715

Females

10987

F45-49

10987

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25229

Females

10780

F45-49

10780

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27666

Females

11965

F45-49

11965

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24627

Females

10469

F45-49

10469

Passing Analysis

Category:
Athletes Passed
1515
Passed By
668
Net Change
+847
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26163
5K → 10K31268+244#26163#25919
10K → 15K33420+314#25919#25605
15K → 20K14887+61#25605#25544
20K → Half466+40#25544#25504
Half → 25K17629+147#25504#25357
25K → 30K23447+187#25357#25170
30K → 20M5059-9#25170#25179
20M → 21M21137-116#25179#25295
21M → 35K3420+14#25295#25281
35K → 23M6816+52#25281#25229
23M → 24M2864-36#25229#25265
24M → 40K2327-4#25265#25269
40K → 25.2M461-57#25269#25326
25.2M → Finish3727+10#25326#25316
TOTALS1515668+847
📊

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