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BOSTON MARATHON 2025

Tanya Brown

Bib: 15584•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F40-44)
#0 / 1718
Top 46%
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
7:46/mi
24:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:47
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:36:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:41:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:01:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:27:51
↑ 181↓ 1480.2%
20M
8:33/mi
2:39:28
↑ 64↓ 500.2%
21M
9:22/mi
2:48:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:55:04
↑ 17↓ 861.7%
23M
8:49/mi
3:06:06
↑ 23↓ 630.6%
24M
8:46/mi
3:14:52
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:22:40
↓ 200.3%
25.2M
9:57/mi
3:26:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
3:35:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:50
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:53:20
Pace8:39 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3624:077:4624:07
7:46
-
10K
6.21 mi11:39:2347:547:4323:47
7:39
-0:07
15K
9.32 mi12:03:161:11:477:4223:53
7:41
+0:02
20K
12.43 mi12:27:521:36:237:4524:36
7:55
+0:14
Half
13.11 mi12:33:191:41:507:465:27
7:59
+0:04
25K
15.53 mi12:52:472:01:187:4919:28
8:02
+0:03
30K
18.64 mi13:19:202:27:517:5626:33
8:33
+0:31
20M
20.00 mi13:30:572:39:287:5811:37
8:33
0:00
21M
21.00 mi13:40:192:48:508:029:22
9:22
+0:49
35K
21.75 mi13:46:332:55:048:036:14
8:20
-1:02
23M
23.00 mi13:57:353:06:068:0511:02
8:49
+0:29
24M
24.00 mi14:06:213:14:528:078:46
8:46
-0:03
40K
24.85 mi14:14:093:22:408:097:48
9:07
+0:21
25.2M
25.20 mi14:17:353:26:068:113:26
9:57
+0:50
Finish
26.22 mi14:26:393:35:108:139:04
8:54
-1:03

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

7:39 /mi

Average Pace

8:13 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:18

56% of race

Time at Steady Pace

1:04:12

30% of race

Time at Slower Pace

29:40

14% of race

Average Pace: 8:12 /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 mi11:15:3624:077:4624:07
7:46
#14494
10K
6.21 mi11:39:2347:547:4323:47
7:39
#13986
15K
9.32 mi12:03:161:11:477:4223:53
7:41
#13759
20K
12.43 mi12:27:521:36:237:4524:36
7:55
#13869
Half
13.11 mi12:33:191:41:507:465:27
7:59
#13987
25K
15.53 mi12:52:472:01:187:4919:28
8:02
#13963
30K
18.64 mi13:19:202:27:517:5626:33
8:33
#14136
20M
20.00 mi13:30:572:39:287:5811:37
8:33
#14104
21M
21.00 mi13:40:192:48:508:029:22
9:22
#14182
35K
21.75 mi13:46:332:55:048:036:14
8:20
#14200
23M
23.00 mi13:57:353:06:068:0511:02
8:49
#14276
24M
24.00 mi14:06:213:14:528:078:46
8:46
#14333
40K
24.85 mi14:14:093:22:408:097:48
9:07
#14414
25.2M
25.20 mi14:17:353:26:068:113:26
9:57
#14446
Finish
26.22 mi14:26:393:35:108:139:04
8:54
#14609
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi144944212421213400(Top 47%)3686(Top 30%)3686(Top 215%)
10K6.21 mi3.10 mi13986+5083932+2803932+28013517(Top 48%)3676(Top 30%)3676(Top 214%)
15K9.32 mi3.11 mi13759+2273831+1013831+10113400(Top 47%)3686(Top 30%)3686(Top 215%)
20K12.43 mi3.11 mi13869-1103937-1063937-10614273(Top 50%)4237(Top 35%)4237(Top 247%)
Half13.11 mi0.68 mi13987-1183997-603997-6015836(Top 56%)5071(Top 41%)5071(Top 295%)
25K15.53 mi2.42 mi13963+244021-244021-2414149(Top 50%)4283(Top 35%)4283(Top 249%)
30K18.64 mi3.11 mi14136-1734182-1614182-16115058(Top 53%)4933(Top 40%)4933(Top 287%)
20M20.00 mi1.36 mi14104+324197-154197-1514102(Top 50%)4566(Top 37%)4566(Top 266%)
21M21.00 mi1.00 mi14182-784263-664263-6615479(Top 54%)5437(Top 44%)5437(Top 316%)
35K21.75 mi0.75 mi14200-184291-284291-2814503(Top 51%)4957(Top 41%)4957(Top 289%)
23M23.00 mi1.25 mi14276-764372-814372-8115192(Top 53%)5432(Top 44%)5432(Top 316%)
24M24.00 mi1.00 mi14333-574424-524424-5216127(Top 57%)5996(Top 49%)5996(Top 349%)
40K24.85 mi0.85 mi14414-814501-774501-7716978(Top 60%)6561(Top 54%)6561(Top 382%)
25.2M25.20 mi0.35 mi14446-324530-294530-2916840(Top 59%)6494(Top 53%)6494(Top 378%)
Finish26.22 mi1.02 mi14609-1634650-1204650-12018525(Top 65%)7339(Top 60%)7339(Top 427%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13400

Females

3686

F40-44

3686

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13517

Females

3676

F40-44

3676

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13400

Females

3686

F40-44

3686

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14273

Females

4237

F40-44

4237

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15836

Females

5071

F40-44

5071

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14149

Females

4283

F40-44

4283

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

15058

Females

4933

F40-44

4933

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14102

Females

4566

F40-44

4566

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15479

Females

5437

F40-44

5437

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14503

Females

4957

F40-44

4957

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15192

Females

5432

F40-44

5432

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16127

Females

5996

F40-44

5996

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16978

Females

6561

F40-44

6561

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16840

Females

6494

F40-44

6494

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18525

Females

7339

F40-44

7339

Passing Analysis

Category:
Athletes Passed
2030
Passed By
2145
Net Change
-115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14494
5K → 10K60193+508#14494#13986
10K → 15K31992+227#13986#13759
15K → 20K187297-110#13759#13869
20K → Half7125-118#13869#13987
Half → 25K180156+24#13987#13963
25K → 30K202375-173#13963#14136
30K → 20M12997+32#14136#14104
20M → 21M91169-78#14104#14182
21M → 35K6785-18#14182#14200
35K → 23M88164-76#14200#14276
23M → 24M55112-57#14276#14333
24M → 40K54135-81#14333#14414
40K → 25.2M1749-32#14414#14446
25.2M → Finish33196-163#14446#14609
TOTALS20302145-115
📊

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