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BOSTON MARATHON 2025

Emily Weimer

Bib: 27478•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:20
Rank: #24046
Start → 5K
29:20 | 9:26/mi
10K· 6.21 mi
58:43
Rank: #24042 (+4)
5K → 10K
29:23 | 9:27/mi
15K· 9.32 mi
1:28:10
Rank: #23929 (+113)
10K → 15K
29:27 | 9:29/mi
20K· 12.43 mi
1:59:25
Rank: #24049 (-120)
15K → 20K
31:15 | 10:04/mi
Half· 13.11 mi
2:06:07
Rank: #24066 (-17)
20K → Half
6:42 | 9:49/mi
25K· 15.53 mi
2:32:00
Rank: #24208 (-142)
Half → 25K
25:53 | 10:41/mi
30K· 18.64 mi
3:08:01
Rank: #24417 (-209)
25K → 30K
36:01 | 11:36/mi
20M
3:23:19
Rank: #24410 (+7)
30K → 20M
15:18 | 11:16/mi
21M
3:35:21
Rank: #24363 (+47)
20M → 21M
12:02 | 12:02/mi
35K· 21.75 mi
3:43:15
Rank: #24316 (+47)
21M → 35K
7:54 | 10:34/mi
23M
3:57:30
Rank: #24307 (+9)
35K → 23M
14:15 | 11:23/mi
24M
4:08:09
Rank: #24254 (+53)
23M → 24M
10:39 | 10:39/mi
40K· 24.85 mi
4:17:37
Rank: #24239 (+15)
24M → 40K
9:28 | 11:04/mi
25.2M
4:21:53
Rank: #24239
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:31:32
Rank: #24152 (+87)
25.2M → Finish
9:39 | 9:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:07
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:25:25
Pace11:06 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3729:209:2629:20
9:26
-
10K
6.21 mi12:15:0058:439:2729:23
9:27
+0:01
15K
9.32 mi12:44:271:28:109:2829:27
9:29
+0:02
20K
12.43 mi13:15:421:59:259:3731:15
10:04
+0:35
Half
13.11 mi13:22:242:06:079:376:42
9:49
-0:15
25K
15.53 mi13:48:172:32:009:4725:53
10:41
+0:52
30K
18.64 mi14:24:183:08:0110:0536:01
11:36
+0:55
20M
20.00 mi14:39:363:23:1910:1015:18
11:16
-0:20
21M
21.00 mi14:51:383:35:2110:1512:02
12:02
+0:46
35K
21.75 mi14:59:323:43:1510:167:54
10:34
-1:28
23M
23.00 mi15:13:473:57:3010:2014:15
11:23
+0:49
24M
24.00 mi15:24:264:08:0910:2010:39
10:39
-0:44
40K
24.85 mi15:33:544:17:3710:229:28
11:04
+0:25
25.2M
25.20 mi15:38:104:21:5310:244:16
12:22
+1:18
Finish
26.22 mi15:47:494:31:3210:229:39
9:28
-2:54

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

9:26 /mi

Average Pace

10:22 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:46

50% of race

Time at Steady Pace

53:54

20% of race

Time at Slower Pace

1:21:52

30% of race

Average Pace: 10:21 /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 mi11:45:3729:209:2629:20
9:26
#24046
10K
6.21 mi12:15:0058:439:2729:23
9:27
#24042
15K
9.32 mi12:44:271:28:109:2829:27
9:29
#23929
20K
12.43 mi13:15:421:59:259:3731:15
10:04
#24049
Half
13.11 mi13:22:242:06:079:376:42
9:49
#24066
25K
15.53 mi13:48:172:32:009:4725:53
10:41
#24208
30K
18.64 mi14:24:183:08:0110:0536:01
11:36
#24417
20M
20.00 mi14:39:363:23:1910:1015:18
11:16
#24410
21M
21.00 mi14:51:383:35:2110:1512:02
12:02
#24363
35K
21.75 mi14:59:323:43:1510:167:54
10:34
#24316
23M
23.00 mi15:13:473:57:3010:2014:15
11:23
#24307
24M
24.00 mi15:24:264:08:0910:2010:39
10:39
#24254
40K
24.85 mi15:33:544:17:3710:229:28
11:04
#24239
25.2M
25.20 mi15:38:104:21:5310:244:16
12:22
#24239
Finish
26.22 mi15:47:494:31:3210:229:39
9:28
#24152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240469721972123689(Top 83%)9484(Top 78%)9484(Top 173%)
10K6.21 mi3.10 mi24042+49708+139708+1324009(Top 85%)9687(Top 79%)9687(Top 177%)
15K9.32 mi3.11 mi23929+1139635+739635+7323689(Top 83%)9484(Top 78%)9484(Top 173%)
20K12.43 mi3.11 mi24049-1209718-839718-8324364(Top 86%)9914(Top 81%)9914(Top 181%)
Half13.11 mi0.68 mi24066-179726-89726-824449(Top 86%)9970(Top 82%)9970(Top 182%)
25K15.53 mi2.42 mi24208-1429825-999825-9924674(Top 87%)10115(Top 83%)10115(Top 185%)
30K18.64 mi3.11 mi24417-2099957-1329957-13224986(Top 88%)10406(Top 85%)10406(Top 190%)
20M20.00 mi1.36 mi24410+79967-109967-1024120(Top 85%)10015(Top 82%)10015(Top 183%)
21M21.00 mi1.00 mi24363+479961+69961+623666(Top 83%)9849(Top 81%)9849(Top 180%)
35K21.75 mi0.75 mi24316+479945+169945+1623308(Top 82%)9711(Top 79%)9711(Top 178%)
23M23.00 mi1.25 mi24307+99950-59950-524056(Top 85%)10129(Top 83%)10129(Top 185%)
24M24.00 mi1.00 mi24254+539934+169934+1623217(Top 82%)9744(Top 80%)9744(Top 178%)
40K24.85 mi0.85 mi24239+159945-119945-1123319(Top 82%)9857(Top 81%)9857(Top 180%)
25.2M25.20 mi0.35 mi242399953-89953-823983(Top 84%)10159(Top 83%)10159(Top 186%)
Finish26.22 mi1.02 mi24152+879918+359918+3521092(Top 74%)8709(Top 71%)8709(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23689

Females

9484

F18-39

9484

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24009

Females

9687

F18-39

9687

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23689

Females

9484

F18-39

9484

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24364

Females

9914

F18-39

9914

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24449

Females

9970

F18-39

9970

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24674

Females

10115

F18-39

10115

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

24986

Females

10406

F18-39

10406

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24120

Females

10015

F18-39

10015

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23666

Females

9849

F18-39

9849

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

23308

Females

9711

F18-39

9711

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24056

Females

10129

F18-39

10129

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23217

Females

9744

F18-39

9744

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23319

Females

9857

F18-39

9857

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23983

Females

10159

F18-39

10159

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

21092

Females

8709

F18-39

8709

Passing Analysis

Category:
Athletes Passed
1212
Passed By
1318
Net Change
-106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24046
5K → 10K235231+4#24046#24042
10K → 15K21198+113#24042#23929
15K → 20K96216-120#23929#24049
20K → Half2239-17#24049#24066
Half → 25K68210-142#24066#24208
25K → 30K78287-209#24208#24417
30K → 20M6457+7#24417#24410
20M → 21M8841+47#24410#24363
21M → 35K5912+47#24363#24316
35K → 23M6051+9#24316#24307
23M → 24M7118+53#24307#24254
24M → 40K4934+15#24254#24239
40K → 25.2M22220#24239#24239
25.2M → Finish892+87#24239#24152
TOTALS12121318-106
📊

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