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BOSTON MARATHON 2025

Emma Slade

Bib: 30748•F

RI

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:20
Rank: #24045
Start → 5K
29:20 | 9:26/mi
10K· 6.21 mi
58:08
Rank: #23751 (+294)
5K → 10K
28:48 | 9:16/mi
15K· 9.32 mi
1:27:59
Rank: #23870 (-119)
10K → 15K
29:51 | 9:36/mi
20K· 12.43 mi
1:57:28
Rank: #23621 (+249)
15K → 20K
29:29 | 9:29/mi
Half· 13.11 mi
2:04:00
Rank: #23625 (-4)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:28:52
Rank: #23648 (-23)
Half → 25K
24:52 | 10:15/mi
30K· 18.64 mi
3:00:44
Rank: #23394 (+254)
25K → 30K
31:52 | 10:15/mi
20M
3:14:22
Rank: #23205 (+189)
30K → 20M
13:38 | 10:02/mi
21M
3:25:25
Rank: #23101 (+104)
20M → 21M
11:03 | 11:03/mi
35K· 21.75 mi
3:32:30
Rank: #23000 (+101)
21M → 35K
7:05 | 9:28/mi
23M
3:46:19
Rank: #23026 (-26)
35K → 23M
13:49 | 11:02/mi
24M
3:56:37
Rank: #22980 (+46)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:05:22
Rank: #22902 (+78)
24M → 40K
8:45 | 10:14/mi
25.2M
4:09:31
Rank: #22920 (-18)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:18:40
Rank: #22787 (+133)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:00
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:14:40
Pace10:16 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5529:209:2629:20
9:26
-
10K
6.21 mi12:18:4358:089:2128:48
9:16
-0:10
15K
9.32 mi12:48:341:27:599:2629:51
9:36
+0:20
20K
12.43 mi13:18:031:57:289:2729:29
9:29
-0:07
Half
13.11 mi13:24:352:04:009:286:32
9:35
+0:06
25K
15.53 mi13:49:272:28:529:3524:52
10:15
+0:40
30K
18.64 mi14:21:193:00:449:4231:52
10:15
0:00
20M
20.00 mi14:34:573:14:229:4313:38
10:02
-0:13
21M
21.00 mi14:46:003:25:259:4711:03
11:03
+1:01
35K
21.75 mi14:53:053:32:309:467:05
9:28
-1:35
23M
23.00 mi15:06:543:46:199:5013:49
11:02
+1:34
24M
24.00 mi15:17:123:56:379:5210:18
10:18
-0:44
40K
24.85 mi15:25:574:05:229:528:45
10:14
-0:04
25.2M
25.20 mi15:30:064:09:319:544:09
12:02
+1:48
Finish
26.22 mi15:39:154:18:409:529:09
8:59
-3:03

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

8:59 /mi

Average Pace

9:52 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:14

54% of race

Time at Steady Pace

1:29:25

35% of race

Time at Slower Pace

29:01

11% of race

Average Pace: 9:52 /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 mi11:49:5529:209:2629:20
9:26
#24045
10K
6.21 mi12:18:4358:089:2128:48
9:16
#23751
15K
9.32 mi12:48:341:27:599:2629:51
9:36
#23870
20K
12.43 mi13:18:031:57:289:2729:29
9:29
#23621
Half
13.11 mi13:24:352:04:009:286:32
9:35
#23625
25K
15.53 mi13:49:272:28:529:3524:52
10:15
#23648
30K
18.64 mi14:21:193:00:449:4231:52
10:15
#23394
20M
20.00 mi14:34:573:14:229:4313:38
10:02
#23205
21M
21.00 mi14:46:003:25:259:4711:03
11:03
#23101
35K
21.75 mi14:53:053:32:309:467:05
9:28
#23000
23M
23.00 mi15:06:543:46:199:5013:49
11:02
#23026
24M
24.00 mi15:17:123:56:379:5210:18
10:18
#22980
40K
24.85 mi15:25:574:05:229:528:45
10:14
#22902
25.2M
25.20 mi15:30:064:09:319:544:09
12:02
#22920
Finish
26.22 mi15:39:154:18:409:529:09
8:59
#22787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240459720972024045(Top 85%)9696(Top 79%)9696(Top 177%)
10K6.21 mi3.10 mi23751+2949552+1689552+16823431(Top 82%)9373(Top 77%)9373(Top 171%)
15K9.32 mi3.11 mi23870-1199603-519603-5124045(Top 85%)9696(Top 79%)9696(Top 177%)
20K12.43 mi3.11 mi23621+2499471+1329471+13222873(Top 81%)9080(Top 74%)9080(Top 166%)
Half13.11 mi0.68 mi23625-49477-69477-623799(Top 84%)9586(Top 78%)9586(Top 175%)
25K15.53 mi2.42 mi23648-239505-289505-2823848(Top 84%)9660(Top 79%)9660(Top 177%)
30K18.64 mi3.11 mi23394+2549401+1049401+10422338(Top 79%)8964(Top 73%)8964(Top 164%)
20M20.00 mi1.36 mi23205+1899316+859316+8521085(Top 74%)8408(Top 69%)8408(Top 154%)
21M21.00 mi1.00 mi23101+1049277+399277+3921554(Top 76%)8744(Top 72%)8744(Top 160%)
35K21.75 mi0.75 mi23000+1019241+369241+3620267(Top 71%)8125(Top 66%)8125(Top 149%)
23M23.00 mi1.25 mi23026-269276-359276-3523317(Top 82%)9769(Top 80%)9769(Top 179%)
24M24.00 mi1.00 mi22980+469279-39279-322259(Top 78%)9266(Top 76%)9266(Top 169%)
40K24.85 mi0.85 mi22902+789256+239256+2321202(Top 75%)8772(Top 72%)8772(Top 160%)
25.2M25.20 mi0.35 mi22920-189271-159271-1523324(Top 82%)9821(Top 80%)9821(Top 180%)
Finish26.22 mi1.02 mi22787+1339213+589213+5818964(Top 67%)7585(Top 62%)7585(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24045

Females

9696

F18-39

9696

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23431

Females

9373

F18-39

9373

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24045

Females

9696

F18-39

9696

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22873

Females

9080

F18-39

9080

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23799

Females

9586

F18-39

9586

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23848

Females

9660

F18-39

9660

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22338

Females

8964

F18-39

8964

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

21085

Females

8408

F18-39

8408

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21554

Females

8744

F18-39

8744

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20267

Females

8125

F18-39

8125

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23317

Females

9769

F18-39

9769

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22259

Females

9266

F18-39

9266

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21202

Females

8772

F18-39

8772

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23324

Females

9821

F18-39

9821

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18964

Females

7585

F18-39

7585

Passing Analysis

Category:
Athletes Passed
2035
Passed By
777
Net Change
+1258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24045
5K → 10K416122+294#24045#23751
10K → 15K110229-119#23751#23870
15K → 20K27627+249#23870#23621
20K → Half1721-4#23621#23625
Half → 25K115138-23#23625#23648
25K → 30K31056+254#23648#23394
30K → 20M1934+189#23394#23205
20M → 21M11915+104#23205#23101
21M → 35K1032+101#23101#23000
35K → 23M5985-26#23000#23026
23M → 24M7630+46#23026#22980
24M → 40K9719+78#22980#22902
40K → 25.2M927-18#22902#22920
25.2M → Finish1352+133#22920#22787
TOTALS2035777+1258
📊

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