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BOSTON MARATHON 2025

Rachel Aslan

Bib: 14341•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 23%
Masters (Masters Women)
#0 / 6759
Top 10%
Division (F40-44)
#0 / 1718
Top 22%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:22
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:34:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:39:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:57:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:22:32
↑ 181↓ 1480.2%
20M
8:02/mi
2:33:27
↑ 64↓ 500.2%
21M
8:19/mi
2:41:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:47:42
↑ 17↓ 861.7%
23M
8:08/mi
2:57:53
↑ 23↓ 630.6%
24M
8:03/mi
3:05:56
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:12:52
↓ 200.3%
25.2M
8:42/mi
3:15:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:23:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:25
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:44:14
Pace7:57 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5023:227:3123:22
7:31
-
10K
6.21 mi11:17:1746:497:3223:27
7:33
+0:02
15K
9.32 mi11:40:501:10:227:3323:33
7:35
+0:02
20K
12.43 mi12:04:431:34:157:3523:53
7:41
+0:06
Half
13.11 mi12:09:531:39:257:355:10
7:34
-0:07
25K
15.53 mi12:28:241:57:567:3618:31
7:38
+0:04
30K
18.64 mi12:53:002:22:327:3924:36
7:55
+0:17
20M
20.00 mi13:03:552:33:277:4010:55
8:02
+0:07
21M
21.00 mi13:12:142:41:467:428:19
8:19
+0:17
35K
21.75 mi13:18:102:47:427:435:56
7:56
-0:23
23M
23.00 mi13:28:212:57:537:4410:11
8:08
+0:12
24M
24.00 mi13:36:243:05:567:458:03
8:03
-0:05
40K
24.85 mi13:43:203:12:527:466:56
8:07
+0:04
25.2M
25.20 mi13:46:203:15:527:463:00
8:42
+0:35
Finish
26.22 mi13:54:073:23:397:467:47
7:38
-1:04

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

7:31 /mi

Average Pace

7:46 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:20

94% of race

Time at Steady Pace

11:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi10:53:5023:227:3123:22
7:31
#12434
10K
6.21 mi11:17:1746:497:3223:27
7:33
#12445
15K
9.32 mi11:40:501:10:227:3323:33
7:35
#12427
20K
12.43 mi12:04:431:34:157:3523:53
7:41
#12353
Half
13.11 mi12:09:531:39:257:355:10
7:34
#12356
25K
15.53 mi12:28:241:57:567:3618:31
7:38
#12100
30K
18.64 mi12:53:002:22:327:3924:36
7:55
#11788
20M
20.00 mi13:03:552:33:277:4010:55
8:02
#11660
21M
21.00 mi13:12:142:41:467:428:19
8:19
#11491
35K
21.75 mi13:18:102:47:427:435:56
7:56
#11501
23M
23.00 mi13:28:212:57:537:4410:11
8:08
#11433
24M
24.00 mi13:36:243:05:567:458:03
8:03
#11388
40K
24.85 mi13:43:203:12:527:466:56
8:07
#11343
25.2M
25.20 mi13:46:203:15:527:463:00
8:42
#11306
Finish
26.22 mi13:54:073:23:397:467:47
7:38
#11225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi124343031303112435(Top 44%)3128(Top 26%)3128(Top 182%)
10K6.21 mi3.10 mi12445-113035-43035-412553(Top 44%)3120(Top 26%)3120(Top 182%)
15K9.32 mi3.11 mi12427+183065-303065-3012435(Top 44%)3128(Top 26%)3128(Top 182%)
20K12.43 mi3.11 mi12353+743060+53060+512300(Top 43%)3167(Top 26%)3167(Top 184%)
Half13.11 mi0.68 mi12356-33071-113071-1112388(Top 44%)3155(Top 26%)3155(Top 184%)
25K15.53 mi2.42 mi12100+2562969+1022969+10211052(Top 39%)2617(Top 21%)2617(Top 152%)
30K18.64 mi3.11 mi11788+3122893+762893+7610788(Top 38%)2680(Top 22%)2680(Top 156%)
20M20.00 mi1.36 mi11660+1282855+382855+3810686(Top 38%)2779(Top 23%)2779(Top 162%)
21M21.00 mi1.00 mi11491+1692811+442811+449364(Top 33%)2323(Top 19%)2323(Top 135%)
35K21.75 mi0.75 mi11501-102840-292840-2911794(Top 42%)3533(Top 29%)3533(Top 206%)
23M23.00 mi1.25 mi11433+682850-102850-1010960(Top 39%)3206(Top 26%)3206(Top 187%)
24M24.00 mi1.00 mi11388+452854-42854-411600(Top 41%)3615(Top 30%)3615(Top 210%)
40K24.85 mi0.85 mi11343+452872-182872-1810963(Top 39%)3380(Top 28%)3380(Top 197%)
25.2M25.20 mi0.35 mi11306+372879-72879-710065(Top 35%)3052(Top 25%)3052(Top 178%)
Finish26.22 mi1.02 mi11225+812869+102869+1010248(Top 36%)3108(Top 25%)3108(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12435

Females

3128

F40-44

3128

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12553

Females

3120

F40-44

3120

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12435

Females

3128

F40-44

3128

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12300

Females

3167

F40-44

3167

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12388

Females

3155

F40-44

3155

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11052

Females

2617

F40-44

2617

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10788

Females

2680

F40-44

2680

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10686

Females

2779

F40-44

2779

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9364

Females

2323

F40-44

2323

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11794

Females

3533

F40-44

3533

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10960

Females

3206

F40-44

3206

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11600

Females

3615

F40-44

3615

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10963

Females

3380

F40-44

3380

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10065

Females

3052

F40-44

3052

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10248

Females

3108

F40-44

3108

Passing Analysis

Category:
Athletes Passed
2343
Passed By
1134
Net Change
+1209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12434
5K → 10K267278-11#12434#12445
10K → 15K194176+18#12445#12427
15K → 20K223149+74#12427#12353
20K → Half2932-3#12353#12356
Half → 25K29438+256#12356#12100
25K → 30K39583+312#12100#11788
30K → 20M17042+128#11788#11660
20M → 21M19930+169#11660#11491
21M → 35K5666-10#11491#11501
35K → 23M13769+68#11501#11433
23M → 24M10459+45#11433#11388
24M → 40K10055+45#11388#11343
40K → 25.2M6225+37#11343#11306
25.2M → Finish11332+81#11306#11225
TOTALS23431134+1209
📊

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