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BOSTON MARATHON 2025

Emily Bell

Bib: 19164•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 46%
Division (F40-44)
#0 / 1718
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
8:55/mi
27:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:00/mi
55:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:23:17
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:50:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:56:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:18:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:45:25
↑ 181↓ 1480.2%
20M
8:43/mi
2:57:16
↑ 64↓ 500.2%
21M
8:54/mi
3:06:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:12:26
↑ 17↓ 861.7%
23M
8:42/mi
3:23:19
↑ 23↓ 630.6%
24M
8:26/mi
3:31:45
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:39:00
↓ 200.3%
25.2M
8:25/mi
3:41:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:49:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:56:54
Pace8:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:52:42
Pace8:36 /mi
📊Negative Split: 3.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3527:428:5527:42
8:55
-
10K
6.21 mi11:55:3455:418:5827:59
9:00
+0:05
15K
9.32 mi12:23:101:23:178:5627:36
8:53
-0:07
20K
12.43 mi12:50:501:50:578:5627:40
8:54
+0:01
Half
13.11 mi12:56:471:56:548:555:57
8:43
-0:11
25K
15.53 mi13:18:062:18:138:5421:19
8:48
+0:05
30K
18.64 mi13:45:182:45:258:5227:12
8:45
-0:03
20M
20.00 mi13:57:092:57:168:5211:51
8:43
-0:02
21M
21.00 mi14:06:033:06:108:528:54
8:54
+0:11
35K
21.75 mi14:12:193:12:268:516:16
8:23
-0:31
23M
23.00 mi14:23:123:23:198:5010:53
8:42
+0:19
24M
24.00 mi14:31:383:31:458:498:26
8:26
-0:16
40K
24.85 mi14:38:533:39:008:497:15
8:29
+0:03
25.2M
25.20 mi14:41:473:41:548:482:54
8:25
-0:04
Finish
26.22 mi14:49:293:49:368:467:42
7:33
-0:52

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

7:33 /mi

Average Pace

8:46 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:42

3% of race

Time at Steady Pace

2:46:13

72% of race

Time at Slower Pace

55:41

24% of race

Average Pace: 8:45 /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 mi11:27:3527:428:5527:42
8:55
#22066
10K
6.21 mi11:55:3455:418:5827:59
9:00
#22265
15K
9.32 mi12:23:101:23:178:5627:36
8:53
#22001
20K
12.43 mi12:50:501:50:578:5627:40
8:54
#21596
Half
13.11 mi12:56:471:56:548:555:57
8:43
#21525
25K
15.53 mi13:18:062:18:138:5421:19
8:48
#21085
30K
18.64 mi13:45:182:45:258:5227:12
8:45
#20261
20M
20.00 mi13:57:092:57:168:5211:51
8:43
#19899
21M
21.00 mi14:06:033:06:108:528:54
8:54
#19512
35K
21.75 mi14:12:193:12:268:516:16
8:23
#19362
23M
23.00 mi14:23:123:23:198:5010:53
8:42
#19101
24M
24.00 mi14:31:383:31:458:498:26
8:26
#18896
40K
24.85 mi14:38:533:39:008:497:15
8:29
#18691
25.2M
25.20 mi14:41:473:41:548:482:54
8:25
#18516
Finish
26.22 mi14:49:293:49:368:467:42
7:33
#18236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi220668663866321486(Top 76%)8266(Top 68%)8266(Top 481%)
10K6.21 mi3.10 mi22265-1998765-1028765-10222418(Top 79%)8824(Top 72%)8824(Top 514%)
15K9.32 mi3.11 mi22001+2648604+1618604+16121486(Top 76%)8266(Top 68%)8266(Top 481%)
20K12.43 mi3.11 mi21596+4058377+2278377+22720501(Top 72%)7769(Top 64%)7769(Top 452%)
Half13.11 mi0.68 mi21525+718332+458332+4520483(Top 72%)7731(Top 63%)7731(Top 450%)
25K15.53 mi2.42 mi21085+4408089+2438089+24318896(Top 67%)6918(Top 57%)6918(Top 403%)
30K18.64 mi3.11 mi20261+8247680+4097680+40916347(Top 58%)5664(Top 46%)5664(Top 330%)
20M20.00 mi1.36 mi19899+3627486+1947486+19415224(Top 54%)5174(Top 42%)5174(Top 301%)
21M21.00 mi1.00 mi19512+3877292+1947292+19412982(Top 46%)4125(Top 34%)4125(Top 240%)
35K21.75 mi0.75 mi19362+1507227+657227+6514785(Top 52%)5134(Top 42%)5134(Top 299%)
23M23.00 mi1.25 mi19101+2617103+1247103+12414542(Top 51%)5100(Top 42%)5100(Top 297%)
24M24.00 mi1.00 mi18896+2057017+867017+8614153(Top 50%)4919(Top 40%)4919(Top 286%)
40K24.85 mi0.85 mi18691+2056929+886929+8813359(Top 47%)4646(Top 38%)4646(Top 270%)
25.2M25.20 mi0.35 mi18516+1756844+856844+858403(Top 30%)2283(Top 19%)2283(Top 133%)
Finish26.22 mi1.02 mi18236+2806704+1406704+1409665(Top 34%)2859(Top 23%)2859(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21486

Females

8266

F40-44

8266

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22418

Females

8824

F40-44

8824

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21486

Females

8266

F40-44

8266

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20501

Females

7769

F40-44

7769

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20483

Females

7731

F40-44

7731

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18896

Females

6918

F40-44

6918

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16347

Females

5664

F40-44

5664

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15224

Females

5174

F40-44

5174

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12982

Females

4125

F40-44

4125

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14785

Females

5134

F40-44

5134

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14542

Females

5100

F40-44

5100

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14153

Females

4919

F40-44

4919

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13359

Females

4646

F40-44

4646

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8403

Females

2283

F40-44

2283

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9665

Females

2859

F40-44

2859

Passing Analysis

Category:
Athletes Passed
4347
Passed By
517
Net Change
+3830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22066
5K → 10K178377-199#22066#22265
10K → 15K33874+264#22265#22001
15K → 20K44035+405#22001#21596
20K → Half776+71#21596#21525
Half → 25K4455+440#21525#21085
25K → 30K8240+824#21085#20261
30K → 20M3631+362#20261#19899
20M → 21M3881+387#19899#19512
21M → 35K1522+150#19512#19362
35K → 23M2654+261#19362#19101
23M → 24M2083+205#19101#18896
24M → 40K2105+205#18896#18691
40K → 25.2M1750+175#18691#18516
25.2M → Finish2844+280#18516#18236
TOTALS4347517+3830
📊

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