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BOSTON MARATHON 2025

Anita Sumpter

Bib: 29030•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
10:20/mi
32:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:40/mi
1:05:15
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:38:29
↑ 67↓ 78
20K· 12.43 mi
11:05/mi
2:12:55
↑ 106↓ 860.1%
Half· 13.11 mi
11:11/mi
2:20:33
↑ 19↓ 370.5%
25K· 15.53 mi
12:24/mi
2:50:38
↑ 66↓ 880.2%
30K· 18.64 mi
12:52/mi
3:30:37
↑ 181↓ 1480.2%
20M
11:50/mi
3:46:42
↑ 64↓ 500.2%
21M
14:07/mi
4:00:49
↑ 106↓ 241.6%
35K· 21.75 mi
11:15/mi
4:09:14
↑ 17↓ 861.7%
23M
12:16/mi
4:24:35
↑ 23↓ 630.6%
24M
11:13/mi
4:35:48
↓ 821.3%
40K· 24.85 mi
11:55/mi
4:45:59
↓ 200.3%
25.2M
16:52/mi
4:51:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:55/mi
5:02:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:33
Pace10:43 /mi
2nd Half
Distance13.11 mi
Time2:42:22
Pace12:23 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0532:0610:2032:06
10:20
-
10K
6.21 mi12:25:141:05:1510:3033:09
10:40
+0:20
15K
9.32 mi12:58:281:38:2910:3433:14
10:42
+0:02
20K
12.43 mi13:32:542:12:5510:4234:26
11:05
+0:23
Half
13.11 mi13:40:322:20:3310:437:38
11:11
+0:06
25K
15.53 mi14:10:372:50:3810:5930:05
12:24
+1:13
30K
18.64 mi14:50:363:30:3711:1839:59
12:52
+0:28
20M
20.00 mi15:06:413:46:4211:2016:05
11:50
-1:02
21M
21.00 mi15:20:484:00:4911:2814:07
14:07
+2:17
35K
21.75 mi15:29:134:09:1411:288:25
11:15
-2:52
23M
23.00 mi15:44:344:24:3511:3015:21
12:16
+1:01
24M
24.00 mi15:55:474:35:4811:3011:13
11:13
-1:03
40K
24.85 mi16:05:584:45:5911:3010:11
11:55
+0:42
25.2M
25.20 mi16:11:474:51:4811:355:49
16:52
+4:57
Finish
26.22 mi16:22:545:02:5511:3411:07
10:55
-5:57

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

10:20 /mi

Average Pace

11:34 /mi

Slowest Pace

16:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:06

11% of race

Time at Steady Pace

2:45:28

55% of race

Time at Slower Pace

1:45:21

35% of race

Average Pace: 11:33 /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 mi11:52:0532:0610:2032:06
10:20
#26365
10K
6.21 mi12:25:141:05:1510:3033:09
10:40
#26488
15K
9.32 mi12:58:281:38:2910:3433:14
10:42
#26395
20K
12.43 mi13:32:542:12:5510:4234:26
11:05
#26311
Half
13.11 mi13:40:322:20:3310:437:38
11:11
#26350
25K
15.53 mi14:10:372:50:3810:5930:05
12:24
#26474
30K
18.64 mi14:50:363:30:3711:1839:59
12:52
#26540
20M
20.00 mi15:06:413:46:4211:2016:05
11:50
#26435
21M
21.00 mi15:20:484:00:4911:2814:07
14:07
#26433
35K
21.75 mi15:29:134:09:1411:288:25
11:15
#26380
23M
23.00 mi15:44:344:24:3511:3015:21
12:16
#26345
24M
24.00 mi15:55:474:35:4811:3011:13
11:13
#26264
40K
24.85 mi16:05:584:45:5911:3010:11
11:55
#26228
25.2M
25.20 mi16:11:474:51:4811:355:49
16:52
#26290
Finish
26.22 mi16:22:545:02:5511:3411:07
10:55
#26268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi26365109561095626243(Top 92%)10913(Top 89%)10913(Top 838%)
10K6.21 mi3.10 mi26488-12311047-9111047-9126547(Top 93%)11089(Top 91%)11089(Top 851%)
15K9.32 mi3.11 mi26395+9310999+4810999+4826243(Top 92%)10913(Top 89%)10913(Top 838%)
20K12.43 mi3.11 mi26311+8410952+4710952+4726121(Top 92%)10873(Top 89%)10873(Top 834%)
Half13.11 mi0.68 mi26350-3910977-2510977-2526740(Top 94%)11261(Top 92%)11261(Top 864%)
25K15.53 mi2.42 mi26474-12411063-8611063-8626849(Top 95%)11346(Top 93%)11346(Top 871%)
30K18.64 mi3.11 mi26540-6611127-6411127-6426548(Top 93%)11248(Top 92%)11248(Top 863%)
20M20.00 mi1.36 mi26435+10511082+4511082+4525029(Top 88%)10492(Top 86%)10492(Top 805%)
21M21.00 mi1.00 mi26433+211088-611088-626340(Top 93%)11234(Top 92%)11234(Top 862%)
35K21.75 mi0.75 mi26380+5311072+1611072+1624678(Top 87%)10420(Top 85%)10420(Top 800%)
23M23.00 mi1.25 mi26345+3511059+1311059+1325479(Top 90%)10847(Top 89%)10847(Top 832%)
24M24.00 mi1.00 mi26264+8111031+2811031+2824408(Top 86%)10333(Top 85%)10333(Top 793%)
40K24.85 mi0.85 mi26228+3611015+1611015+1624758(Top 87%)10557(Top 86%)10557(Top 810%)
25.2M25.20 mi0.35 mi26290-6211054-3911054-3928019(Top 99%)12115(Top 99%)12115(Top 930%)
Finish26.22 mi1.02 mi26268+2211044+1011044+1025178(Top 89%)10739(Top 88%)10739(Top 824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26243

Females

10913

F50-54

10913

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26547

Females

11089

F50-54

11089

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26243

Females

10913

F50-54

10913

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26121

Females

10873

F50-54

10873

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26740

Females

11261

F50-54

11261

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26849

Females

11346

F50-54

11346

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26548

Females

11248

F50-54

11248

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25029

Females

10492

F50-54

10492

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26340

Females

11234

F50-54

11234

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24678

Females

10420

F50-54

10420

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

25479

Females

10847

F50-54

10847

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24408

Females

10333

F50-54

10333

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24758

Females

10557

F50-54

10557

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28019

Females

12115

F50-54

12115

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25178

Females

10739

F50-54

10739

Passing Analysis

Category:
Athletes Passed
1006
Passed By
909
Net Change
+97
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26365
5K → 10K116239-123#26365#26488
10K → 15K16875+93#26488#26395
15K → 20K16581+84#26395#26311
20K → Half443-39#26311#26350
Half → 25K48172-124#26350#26474
25K → 30K70136-66#26474#26540
30K → 20M1149+105#26540#26435
20M → 21M4240+2#26435#26433
21M → 35K585+53#26433#26380
35K → 23M5116+35#26380#26345
23M → 24M854+81#26345#26264
24M → 40K4610+36#26264#26228
40K → 25.2M163-62#26228#26290
25.2M → Finish3816+22#26290#26268
TOTALS1006909+97
📊

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