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BOSTON MARATHON 2025

Leyla Porteous

Bib: 23127•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F45-49)
#0 / 1813
Top 42%
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
8:28/mi
26:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
52:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:18:31
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:44:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:50:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:10:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:38:10
↑ 181↓ 1480.2%
20M
8:45/mi
2:50:03
↑ 64↓ 500.2%
21M
9:02/mi
2:59:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
3:05:18
↑ 17↓ 861.7%
23M
8:38/mi
3:16:06
↑ 23↓ 630.6%
24M
8:23/mi
3:24:29
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:31:34
↓ 200.3%
25.2M
8:42/mi
3:34:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:42:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:52:10
Pace8:33 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5326:178:2826:17
8:28
-
10K
6.21 mi11:49:0552:298:2726:12
8:26
-0:02
15K
9.32 mi12:15:071:18:318:2526:02
8:23
-0:03
20K
12.43 mi12:41:151:44:398:2526:08
8:25
+0:02
Half
13.11 mi12:46:491:50:138:245:34
8:10
-0:15
25K
15.53 mi13:07:242:10:488:2520:35
8:29
+0:19
30K
18.64 mi13:34:462:38:108:2927:22
8:49
+0:20
20M
20.00 mi13:46:392:50:038:3011:53
8:45
-0:04
21M
21.00 mi13:55:412:59:058:329:02
9:02
+0:17
35K
21.75 mi14:01:543:05:188:316:13
8:19
-0:43
23M
23.00 mi14:12:423:16:068:3210:48
8:38
+0:19
24M
24.00 mi14:21:053:24:298:318:23
8:23
-0:15
40K
24.85 mi14:28:103:31:348:317:05
8:17
-0:06
25.2M
25.20 mi14:31:103:34:348:313:00
8:42
+0:25
Finish
26.22 mi14:38:593:42:238:297:49
7:40
-1:02

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

7:40 /mi

Average Pace

8:29 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:14

39% of race

Time at Steady Pace

2:15:09

61% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:22:5326:178:2826:17
8:28
#19649
10K
6.21 mi11:49:0552:298:2726:12
8:26
#19515
15K
9.32 mi12:15:071:18:318:2526:02
8:23
#19181
20K
12.43 mi12:41:151:44:398:2526:08
8:25
#18782
Half
13.11 mi12:46:491:50:138:245:34
8:10
#18687
25K
15.53 mi13:07:242:10:488:2520:35
8:29
#18408
30K
18.64 mi13:34:462:38:108:2927:22
8:49
#18004
20M
20.00 mi13:46:392:50:038:3011:53
8:45
#17796
21M
21.00 mi13:55:412:59:058:329:02
9:02
#17535
35K
21.75 mi14:01:543:05:188:316:13
8:19
#17400
23M
23.00 mi14:12:423:16:068:3210:48
8:38
#17194
24M
24.00 mi14:21:053:24:298:318:23
8:23
#17030
40K
24.85 mi14:28:103:31:348:317:05
8:17
#16816
25.2M
25.20 mi14:31:103:34:348:313:00
8:42
#16713
Finish
26.22 mi14:38:593:42:238:297:49
7:40
#16463
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi196497288728818579(Top 65%)6645(Top 54%)6645(Top 367%)
10K6.21 mi3.10 mi19515+1347188+1007188+10019394(Top 68%)7103(Top 58%)7103(Top 392%)
15K9.32 mi3.11 mi19181+3347000+1887000+18818579(Top 65%)6645(Top 54%)6645(Top 367%)
20K12.43 mi3.11 mi18782+3996779+2216779+22117628(Top 62%)6124(Top 50%)6124(Top 338%)
Half13.11 mi0.68 mi18687+956728+516728+5117062(Top 60%)5800(Top 47%)5800(Top 320%)
25K15.53 mi2.42 mi18408+2796583+1456583+14517135(Top 60%)5932(Top 49%)5932(Top 327%)
30K18.64 mi3.11 mi18004+4046398+1856398+18516660(Top 59%)5836(Top 48%)5836(Top 322%)
20M20.00 mi1.36 mi17796+2086312+866312+8615369(Top 54%)5248(Top 43%)5248(Top 289%)
21M21.00 mi1.00 mi17535+2616189+1236189+12313744(Top 48%)4497(Top 37%)4497(Top 248%)
35K21.75 mi0.75 mi17400+1356139+506139+5014367(Top 51%)4898(Top 40%)4898(Top 270%)
23M23.00 mi1.25 mi17194+2066048+916048+9114124(Top 50%)4868(Top 40%)4868(Top 269%)
24M24.00 mi1.00 mi17030+1645975+735975+7313807(Top 49%)4730(Top 39%)4730(Top 261%)
40K24.85 mi0.85 mi16816+2145882+935882+9312110(Top 43%)3983(Top 33%)3983(Top 220%)
25.2M25.20 mi0.35 mi16713+1035832+505832+5010149(Top 36%)3136(Top 26%)3136(Top 173%)
Finish26.22 mi1.02 mi16463+2505708+1245708+12410539(Top 37%)3254(Top 27%)3254(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18579

Females

6645

F45-49

6645

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19394

Females

7103

F45-49

7103

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18579

Females

6645

F45-49

6645

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17628

Females

6124

F45-49

6124

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17062

Females

5800

F45-49

5800

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

17135

Females

5932

F45-49

5932

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16660

Females

5836

F45-49

5836

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15369

Females

5248

F45-49

5248

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13744

Females

4497

F45-49

4497

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14367

Females

4898

F45-49

4898

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14124

Females

4868

F45-49

4868

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13807

Females

4730

F45-49

4730

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12110

Females

3983

F45-49

3983

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10149

Females

3136

F45-49

3136

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10539

Females

3254

F45-49

3254

Passing Analysis

Category:
Athletes Passed
3682
Passed By
496
Net Change
+3186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19649
5K → 10K326192+134#19649#19515
10K → 15K40369+334#19515#19181
15K → 20K44041+399#19181#18782
20K → Half1027+95#18782#18687
Half → 25K31536+279#18687#18408
25K → 30K46359+404#18408#18004
30K → 20M23628+208#18004#17796
20M → 21M2676+261#17796#17535
21M → 35K1427+135#17535#17400
35K → 23M23125+206#17400#17194
23M → 24M17814+164#17194#17030
24M → 40K2217+214#17030#16816
40K → 25.2M1030+103#16816#16713
25.2M → Finish2555+250#16713#16463
TOTALS3682496+3186
📊

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