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BOSTON MARATHON 2025

Ellie Biscoe

Bib: 26608•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
10:15/mi
31:52
↑ 97↓ 3451.5%
10K· 6.21 mi
10:14/mi
1:03:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:21/mi
1:35:49
↑ 67↓ 78
20K· 12.43 mi
10:34/mi
2:08:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:15:31
↑ 19↓ 370.5%
25K· 15.53 mi
10:38/mi
2:41:19
↑ 66↓ 880.2%
30K· 18.64 mi
11:14/mi
3:16:14
↑ 181↓ 1480.2%
20M
11:18/mi
3:31:35
↑ 64↓ 500.2%
21M
11:42/mi
3:43:17
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:50:44
↑ 17↓ 861.7%
23M
10:58/mi
4:04:28
↑ 23↓ 630.6%
24M
10:45/mi
4:15:13
↓ 821.3%
40K· 24.85 mi
11:15/mi
4:24:50
↓ 200.3%
25.2M
12:05/mi
4:29:00
↑ 13↓ 160.2%
Finish· 26.22 mi
10:39/mi
4:39:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:31
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time2:24:20
Pace11:01 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3131:5210:1531:52
10:15
-
10K
6.21 mi12:27:181:03:3910:1531:47
10:14
-0:01
15K
9.32 mi12:59:281:35:4910:1732:10
10:21
+0:07
20K
12.43 mi13:32:192:08:4010:2132:51
10:34
+0:13
Half
13.11 mi13:39:102:15:3110:206:51
10:02
-0:32
25K
15.53 mi14:04:582:41:1910:2325:48
10:38
+0:36
30K
18.64 mi14:39:533:16:1410:3234:55
11:14
+0:36
20M
20.00 mi14:55:143:31:3510:3515:21
11:18
+0:04
21M
21.00 mi15:06:563:43:1710:3811:42
11:42
+0:24
35K
21.75 mi15:14:233:50:4410:377:27
9:57
-1:45
23M
23.00 mi15:28:074:04:2810:3813:44
10:58
+1:01
24M
24.00 mi15:38:524:15:1310:3810:45
10:45
-0:13
40K
24.85 mi15:48:294:24:5010:399:37
11:15
+0:30
25.2M
25.20 mi15:52:394:29:0010:404:10
12:05
+0:50
Finish
26.22 mi16:03:304:39:5110:4110:51
10:39
-1:26

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

9:57 /mi

Average Pace

10:41 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:07

39% of race

Time at Steady Pace

1:20:15

29% of race

Time at Slower Pace

1:29:29

32% of race

Average Pace: 10:40 /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 mi11:55:3131:5210:1531:52
10:15
#26201
10K
6.21 mi12:27:181:03:3910:1531:47
10:14
#25994
15K
9.32 mi12:59:281:35:4910:1732:10
10:21
#25872
20K
12.43 mi13:32:192:08:4010:2132:51
10:34
#25694
Half
13.11 mi13:39:102:15:3110:206:51
10:02
#25665
25K
15.53 mi14:04:582:41:1910:2325:48
10:38
#25480
30K
18.64 mi14:39:533:16:1410:3234:55
11:14
#25287
20M
20.00 mi14:55:143:31:3510:3515:21
11:18
#25214
21M
21.00 mi15:06:563:43:1710:3811:42
11:42
#25109
35K
21.75 mi15:14:233:50:4410:377:27
9:57
#25038
23M
23.00 mi15:28:074:04:2810:3813:44
10:58
#24935
24M
24.00 mi15:38:524:15:1310:3810:45
10:45
#24890
40K
24.85 mi15:48:294:24:5010:399:37
11:15
#24848
25.2M
25.20 mi15:52:394:29:0010:404:10
12:05
#24827
Finish
26.22 mi16:03:304:39:5110:4110:51
10:39
#24839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26201108701087025681(Top 90%)10605(Top 87%)10605(Top 194%)
10K6.21 mi3.10 mi25994+20710775+9510775+9525787(Top 91%)10679(Top 87%)10679(Top 195%)
15K9.32 mi3.11 mi25872+12210708+6710708+6725681(Top 90%)10605(Top 87%)10605(Top 194%)
20K12.43 mi3.11 mi25694+17810611+9710611+9725315(Top 89%)10436(Top 85%)10436(Top 191%)
Half13.11 mi0.68 mi25665+2910600+1110600+1124869(Top 88%)10202(Top 83%)10202(Top 187%)
25K15.53 mi2.42 mi25480+18510512+8810512+8824613(Top 87%)10083(Top 82%)10083(Top 184%)
30K18.64 mi3.11 mi25287+19310440+7210440+7224448(Top 86%)10101(Top 83%)10101(Top 185%)
20M20.00 mi1.36 mi25214+7310417+2310417+2324166(Top 85%)10046(Top 82%)10046(Top 184%)
21M21.00 mi1.00 mi25109+10510366+5110366+5123005(Top 81%)9506(Top 78%)9506(Top 174%)
35K21.75 mi0.75 mi25038+7110336+3010336+3021761(Top 77%)8919(Top 73%)8919(Top 163%)
23M23.00 mi1.25 mi24935+10310298+3810298+3823135(Top 81%)9684(Top 79%)9684(Top 177%)
24M24.00 mi1.00 mi24890+4510280+1810280+1823419(Top 82%)9844(Top 81%)9844(Top 180%)
40K24.85 mi0.85 mi24848+4210271+910271+923641(Top 83%)10007(Top 82%)10007(Top 183%)
25.2M25.20 mi0.35 mi24827+2110266+510266+523343(Top 82%)9840(Top 80%)9840(Top 180%)
Finish26.22 mi1.02 mi24839-1210283-1710283-1724592(Top 87%)10454(Top 85%)10454(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25681

Females

10605

F18-39

10605

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25787

Females

10679

F18-39

10679

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25681

Females

10605

F18-39

10605

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25315

Females

10436

F18-39

10436

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24869

Females

10202

F18-39

10202

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24613

Females

10083

F18-39

10083

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24448

Females

10101

F18-39

10101

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24166

Females

10046

F18-39

10046

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23005

Females

9506

F18-39

9506

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21761

Females

8919

F18-39

8919

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23135

Females

9684

F18-39

9684

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23419

Females

9844

F18-39

9844

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23641

Females

10007

F18-39

10007

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23343

Females

9840

F18-39

9840

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24592

Females

10454

F18-39

10454

Passing Analysis

Category:
Athletes Passed
1737
Passed By
375
Net Change
+1362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26201
5K → 10K28982+207#26201#25994
10K → 15K18765+122#25994#25872
15K → 20K21638+178#25872#25694
20K → Half356+29#25694#25665
Half → 25K20722+185#25665#25480
25K → 30K23845+193#25480#25287
30K → 20M9522+73#25287#25214
20M → 21M11712+105#25214#25109
21M → 35K721+71#25109#25038
35K → 23M1063+103#25038#24935
23M → 24M5510+45#24935#24890
24M → 40K6119+42#24890#24848
40K → 25.2M298+21#24848#24827
25.2M → Finish3042-12#24827#24839
TOTALS1737375+1362
📊

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