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BOSTON MARATHON 2025

Latoya Harwell

Bib: 13821•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F45-49)
#0 / 1813
Top 27%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
49:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:39
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:39:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:45:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:04:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:30:23
↑ 181↓ 1480.2%
20M
8:29/mi
2:41:55
↑ 64↓ 500.2%
21M
8:45/mi
2:50:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
2:57:13
↑ 17↓ 861.7%
23M
8:28/mi
3:07:49
↑ 23↓ 630.6%
24M
8:16/mi
3:16:05
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:23:23
↓ 200.3%
25.2M
8:33/mi
3:26:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:34:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:13
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:49:21
Pace8:20 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5424:367:5524:36
7:55
-
10K
6.21 mi11:18:5549:377:5925:01
8:03
+0:08
15K
9.32 mi11:43:571:14:398:0125:02
8:03
0:00
20K
12.43 mi12:09:031:39:458:0225:06
8:05
+0:02
Half
13.11 mi12:14:311:45:138:025:28
8:01
-0:04
25K
15.53 mi12:34:042:04:468:0219:33
8:04
+0:03
30K
18.64 mi12:59:412:30:238:0425:37
8:15
+0:11
20M
20.00 mi13:11:132:41:558:0611:32
8:29
+0:14
21M
21.00 mi13:19:582:50:408:088:45
8:45
+0:16
35K
21.75 mi13:26:312:57:138:096:33
8:45
0:00
23M
23.00 mi13:37:073:07:498:1010:36
8:28
-0:17
24M
24.00 mi13:45:233:16:058:108:16
8:16
-0:12
40K
24.85 mi13:52:413:23:238:117:18
8:33
+0:17
25.2M
25.20 mi13:55:383:26:208:112:57
8:33
0:00
Finish
26.22 mi14:03:523:34:348:118:14
8:05
-0:28

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

7:55 /mi

Average Pace

8:11 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:16

93% of race

Time at Steady Pace

15:18

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:53:5424:367:5524:36
7:55
#15887
10K
6.21 mi11:18:5549:377:5925:01
8:03
#16387
15K
9.32 mi11:43:571:14:398:0125:02
8:03
#16410
20K
12.43 mi12:09:031:39:458:0225:06
8:05
#16142
Half
13.11 mi12:14:311:45:138:025:28
8:01
#16143
25K
15.53 mi12:34:042:04:468:0219:33
8:04
#15820
30K
18.64 mi12:59:412:30:238:0425:37
8:15
#15269
20M
20.00 mi13:11:132:41:558:0611:32
8:29
#15106
21M
21.00 mi13:19:582:50:408:088:45
8:45
#14863
35K
21.75 mi13:26:312:57:138:096:33
8:45
#14939
23M
23.00 mi13:37:073:07:498:1010:36
8:28
#14780
24M
24.00 mi13:45:233:16:058:108:16
8:16
#14685
40K
24.85 mi13:52:413:23:238:117:18
8:33
#14616
25.2M
25.20 mi13:55:383:26:208:112:57
8:33
#14517
Finish
26.22 mi14:03:523:34:348:118:14
8:05
#14443
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158875071507116469(Top 58%)5412(Top 44%)5412(Top 299%)
10K6.21 mi3.10 mi16387-5005374-3035374-30316864(Top 59%)5623(Top 46%)5623(Top 310%)
15K9.32 mi3.11 mi16410-235380-65380-616469(Top 58%)5412(Top 44%)5412(Top 299%)
20K12.43 mi3.11 mi16142+2685233+1475233+14715499(Top 55%)4910(Top 40%)4910(Top 271%)
Half13.11 mi0.68 mi16143-15242-95242-916018(Top 56%)5179(Top 42%)5179(Top 286%)
25K15.53 mi2.42 mi15820+3235065+1775065+17714390(Top 51%)4425(Top 36%)4425(Top 244%)
30K18.64 mi3.11 mi15269+5514806+2594806+25913156(Top 46%)3925(Top 32%)3925(Top 216%)
20M20.00 mi1.36 mi15106+1634761+454761+4513719(Top 48%)4368(Top 36%)4368(Top 241%)
21M21.00 mi1.00 mi14863+2434646+1154646+11512037(Top 42%)3630(Top 30%)3630(Top 200%)
35K21.75 mi0.75 mi14939-764701-554701-5516969(Top 60%)6339(Top 52%)6339(Top 350%)
23M23.00 mi1.25 mi14780+1594645+564645+5613127(Top 46%)4336(Top 35%)4336(Top 239%)
24M24.00 mi1.00 mi14685+954624+214624+2113059(Top 46%)4350(Top 36%)4350(Top 240%)
40K24.85 mi0.85 mi14616+694607+174607+1713727(Top 48%)4838(Top 40%)4838(Top 267%)
25.2M25.20 mi0.35 mi14517+994571+364571+368965(Top 32%)2549(Top 21%)2549(Top 141%)
Finish26.22 mi1.02 mi14443+744559+124559+1213467(Top 47%)4675(Top 38%)4675(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16469

Females

5412

F45-49

5412

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16864

Females

5623

F45-49

5623

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16469

Females

5412

F45-49

5412

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15499

Females

4910

F45-49

4910

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

16018

Females

5179

F45-49

5179

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14390

Females

4425

F45-49

4425

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13156

Females

3925

F45-49

3925

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13719

Females

4368

F45-49

4368

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

12037

Females

3630

F45-49

3630

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16969

Females

6339

F45-49

6339

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13127

Females

4336

F45-49

4336

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13059

Females

4350

F45-49

4350

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13727

Females

4838

F45-49

4838

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8965

Females

2549

F45-49

2549

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13467

Females

4675

F45-49

4675

Passing Analysis

Category:
Athletes Passed
2822
Passed By
1378
Net Change
+1444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15887
5K → 10K158658-500#15887#16387
10K → 15K204227-23#16387#16410
15K → 20K35688+268#16410#16142
20K → Half2829-1#16142#16143
Half → 25K35431+323#16143#15820
25K → 30K58635+551#15820#15269
30K → 20M20340+163#15269#15106
20M → 21M25916+243#15106#14863
21M → 35K40116-76#14863#14939
35K → 23M19738+159#14939#14780
23M → 24M12025+95#14780#14685
24M → 40K10334+69#14685#14616
40K → 25.2M1001+99#14616#14517
25.2M → Finish11440+74#14517#14443
TOTALS28221378+1444
📊

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