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BOSTON MARATHON 2025

Alexandra Mclean

Bib: 26111•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
10:56/mi
33:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:56/mi
1:07:57
↑ 79↓ 1380.4%
15K· 9.32 mi
11:37/mi
1:44:04
↑ 67↓ 78
20K· 12.43 mi
12:23/mi
2:22:33
↑ 106↓ 860.1%
Half· 13.11 mi
12:06/mi
2:30:48
↑ 19↓ 370.5%
25K· 15.53 mi
13:38/mi
3:03:51
↑ 66↓ 880.2%
30K· 18.64 mi
14:02/mi
3:47:26
↑ 181↓ 1480.2%
20M
16:33/mi
4:09:56
↑ 64↓ 500.2%
21M
15:19/mi
4:25:15
↑ 106↓ 241.6%
35K· 21.75 mi
14:02/mi
4:35:45
↑ 17↓ 861.7%
23M
13:35/mi
4:52:46
↑ 23↓ 630.6%
24M
13:23/mi
5:06:09
↓ 821.3%
40K· 24.85 mi
13:43/mi
5:17:53
↓ 200.3%
25.2M
13:00/mi
5:22:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
5:32:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:48
Pace11:30 /mi
2nd Half
Distance13.11 mi
Time3:01:45
Pace13:52 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3033:5910:5633:59
10:56
-
10K
6.21 mi12:23:281:07:5710:5633:58
10:56
0:00
15K
9.32 mi12:59:351:44:0411:1036:07
11:37
+0:41
20K
12.43 mi13:38:042:22:3311:2838:29
12:23
+0:46
Half
13.11 mi13:46:192:30:4811:308:15
12:06
-0:17
25K
15.53 mi14:19:223:03:5111:5033:03
13:38
+1:32
30K
18.64 mi15:02:573:47:2612:1243:35
14:02
+0:24
20M
20.00 mi15:25:274:09:5612:3022:30
16:33
+2:31
21M
21.00 mi15:40:464:25:1512:3815:19
15:19
-1:14
35K
21.75 mi15:51:164:35:4512:4110:30
14:02
-1:17
23M
23.00 mi16:08:174:52:4612:4417:01
13:35
-0:27
24M
24.00 mi16:21:405:06:0912:4513:23
13:23
-0:12
40K
24.85 mi16:33:245:17:5312:4711:44
13:43
+0:20
25.2M
25.20 mi16:37:535:22:2212:484:29
13:00
-0:43
Finish
26.22 mi16:48:045:32:3312:4210:11
10:00
-3:00

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

10:00 /mi

Average Pace

12:42 /mi

Slowest Pace

16:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:59

48% of race

Time at Steady Pace

2:13:45

40% of race

Time at Slower Pace

37:49

11% of race

Average Pace: 12:41 /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 mi11:49:3033:5910:5633:59
10:56
#27490
10K
6.21 mi12:23:281:07:5710:5633:58
10:56
#27233
15K
9.32 mi12:59:351:44:0411:1036:07
11:37
#27275
20K
12.43 mi13:38:042:22:3311:2838:29
12:23
#27354
Half
13.11 mi13:46:192:30:4811:308:15
12:06
#27368
25K
15.53 mi14:19:223:03:5111:5033:03
13:38
#27456
30K
18.64 mi15:02:573:47:2612:1243:35
14:02
#27487
20M
20.00 mi15:25:274:09:5612:3022:30
16:33
#27611
21M
21.00 mi15:40:464:25:1512:3815:19
15:19
#27609
35K
21.75 mi15:51:164:35:4512:4110:30
14:02
#27636
23M
23.00 mi16:08:174:52:4612:4417:01
13:35
#27609
24M
24.00 mi16:21:405:06:0912:4513:23
13:23
#27604
40K
24.85 mi16:33:245:17:5312:4711:44
13:43
#27599
25.2M
25.20 mi16:37:535:22:2212:484:29
13:00
#27581
Finish
26.22 mi16:48:045:32:3312:4210:11
10:00
#27502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27490116401164027342(Top 96%)11584(Top 95%)11584(Top 212%)
10K6.21 mi3.10 mi27233+25711494+14611494+14626976(Top 95%)11359(Top 93%)11359(Top 208%)
15K9.32 mi3.11 mi27275-4211511-1711511-1727342(Top 96%)11584(Top 95%)11584(Top 212%)
20K12.43 mi3.11 mi27354-7911570-5911570-5927433(Top 97%)11661(Top 95%)11661(Top 213%)
Half13.11 mi0.68 mi27368-1411587-1711587-1727512(Top 97%)11721(Top 96%)11721(Top 214%)
25K15.53 mi2.42 mi27456-8811654-6711654-6727698(Top 98%)11828(Top 97%)11828(Top 216%)
30K18.64 mi3.11 mi27487-3111692-3811692-3827534(Top 97%)11797(Top 96%)11797(Top 216%)
20M20.00 mi1.36 mi27611-12411768-7611768-7628258(Top 99%)12173(Top 100%)12173(Top 223%)
21M21.00 mi1.00 mi27609+211777-911777-927384(Top 96%)11766(Top 96%)11766(Top 215%)
35K21.75 mi0.75 mi27636-2711793-1611793-1627705(Top 98%)11960(Top 98%)11960(Top 219%)
23M23.00 mi1.25 mi27609+2711784+911784+926953(Top 95%)11581(Top 95%)11581(Top 212%)
24M24.00 mi1.00 mi27604+511788-411788-427219(Top 96%)11761(Top 96%)11761(Top 215%)
40K24.85 mi0.85 mi27599+511790-211790-226957(Top 95%)11623(Top 95%)11623(Top 213%)
25.2M25.20 mi0.35 mi27581+1811780+1011780+1025019(Top 88%)10705(Top 88%)10705(Top 196%)
Finish26.22 mi1.02 mi27502+7911736+4411736+4422897(Top 81%)9625(Top 79%)9625(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27342

Females

11584

F18-39

11584

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26976

Females

11359

F18-39

11359

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27342

Females

11584

F18-39

11584

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27433

Females

11661

F18-39

11661

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27512

Females

11721

F18-39

11721

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27698

Females

11828

F18-39

11828

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27534

Females

11797

F18-39

11797

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28258

Females

12173

F18-39

12173

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27384

Females

11766

F18-39

11766

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27705

Females

11960

F18-39

11960

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26953

Females

11581

F18-39

11581

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27219

Females

11761

F18-39

11761

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26957

Females

11623

F18-39

11623

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25019

Females

10705

F18-39

10705

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22897

Females

9625

F18-39

9625

Passing Analysis

Category:
Athletes Passed
755
Passed By
767
Net Change
-12
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27490
5K → 10K28124+257#27490#27233
10K → 15K91133-42#27233#27275
15K → 20K69148-79#27275#27354
20K → Half1428-14#27354#27368
Half → 25K36124-88#27368#27456
25K → 30K4980-31#27456#27487
30K → 20M13137-124#27487#27611
20M → 21M2725+2#27611#27609
21M → 35K330-27#27609#27636
35K → 23M369+27#27636#27609
23M → 24M1914+5#27609#27604
24M → 40K1813+5#27604#27599
40K → 25.2M202+18#27599#27581
25.2M → Finish790+79#27581#27502
TOTALS755767-12
📊

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