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BOSTON MARATHON 2025

Donna Brown

Bib: 24398•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
8:49/mi
27:23
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
54:44
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:22:42
↑ 67↓ 78
20K· 12.43 mi
9:46/mi
1:53:02
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:59:20
↑ 19↓ 370.5%
25K· 15.53 mi
10:30/mi
2:24:48
↑ 66↓ 880.2%
30K· 18.64 mi
12:40/mi
3:04:09
↑ 181↓ 1480.2%
20M
12:57/mi
3:21:45
↑ 64↓ 500.2%
21M
13:59/mi
3:35:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:51/mi
3:43:06
↑ 17↓ 861.7%
23M
10:49/mi
3:56:38
↑ 23↓ 630.6%
24M
9:20/mi
4:05:58
↓ 821.3%
40K· 24.85 mi
11:08/mi
4:15:29
↓ 200.3%
25.2M
12:34/mi
4:19:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
4:28:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:20
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:29:32
Pace11:24 /mi
📊Positive Split: 25.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4027:238:4927:23
8:49
-
10K
6.21 mi11:52:0154:448:4927:21
8:48
-0:01
15K
9.32 mi12:19:591:22:428:5227:58
9:00
+0:12
20K
12.43 mi12:50:191:53:029:0630:20
9:46
+0:46
Half
13.11 mi12:56:371:59:209:066:18
9:14
-0:32
25K
15.53 mi13:22:052:24:489:1925:28
10:30
+1:16
30K
18.64 mi14:01:263:04:099:5339:21
12:40
+2:10
20M
20.00 mi14:19:023:21:4510:0517:36
12:57
+0:17
21M
21.00 mi14:33:013:35:4410:1613:59
13:59
+1:02
35K
21.75 mi14:40:233:43:0610:167:22
9:51
-4:08
23M
23.00 mi14:53:553:56:3810:1713:32
10:49
+0:58
24M
24.00 mi15:03:154:05:5810:159:20
9:20
-1:29
40K
24.85 mi15:12:464:15:2910:179:31
11:08
+1:48
25.2M
25.20 mi15:17:064:19:4910:194:20
12:34
+1:26
Finish
26.22 mi15:26:094:28:5210:169:03
8:53
-3:41

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

8:48 /mi

Average Pace

10:16 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:45

34% of race

Time at Steady Pace

1:18:48

29% of race

Time at Slower Pace

1:38:19

37% of race

Average Pace: 10:15 /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 mi11:24:4027:238:4927:23
8:49
#21593
10K
6.21 mi11:52:0154:448:4927:21
8:48
#21501
15K
9.32 mi12:19:591:22:428:5227:58
9:00
#21675
20K
12.43 mi12:50:191:53:029:0630:20
9:46
#22344
Half
13.11 mi12:56:371:59:209:066:18
9:14
#22362
25K
15.53 mi13:22:052:24:489:1925:28
10:30
#22863
30K
18.64 mi14:01:263:04:099:5339:21
12:40
#23886
20M
20.00 mi14:19:023:21:4510:0517:36
12:57
#24221
21M
21.00 mi14:33:013:35:4410:1613:59
13:59
#24399
35K
21.75 mi14:40:233:43:0610:167:22
9:51
#24295
23M
23.00 mi14:53:553:56:3810:1713:32
10:49
#24222
24M
24.00 mi15:03:154:05:5810:159:20
9:20
#24037
40K
24.85 mi15:12:464:15:2910:179:31
11:08
#24026
25.2M
25.20 mi15:17:064:19:4910:194:20
12:34
#24046
Finish
26.22 mi15:26:094:28:5210:169:03
8:53
#23909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi215938405840522070(Top 78%)8601(Top 70%)8601(Top 865%)
10K6.21 mi3.10 mi21501+928341+648341+6421427(Top 75%)8267(Top 68%)8267(Top 832%)
15K9.32 mi3.11 mi21675-1748417-768417-7622070(Top 78%)8601(Top 70%)8601(Top 865%)
20K12.43 mi3.11 mi22344-6698784-3678784-36723673(Top 83%)9529(Top 78%)9529(Top 959%)
Half13.11 mi0.68 mi22362-188804-208804-2022775(Top 80%)9029(Top 74%)9029(Top 908%)
25K15.53 mi2.42 mi22863-5019071-2679071-26724386(Top 86%)9952(Top 81%)9952(Top 1001%)
30K18.64 mi3.11 mi23886-10239671-6009671-60026337(Top 93%)11142(Top 91%)11142(Top 1121%)
20M20.00 mi1.36 mi24221-3359871-2009871-20026402(Top 93%)11228(Top 92%)11228(Top 1130%)
21M21.00 mi1.00 mi24399-1789981-1109981-11026221(Top 92%)11164(Top 91%)11164(Top 1123%)
35K21.75 mi0.75 mi24295+1049937+449937+4421494(Top 76%)8778(Top 72%)8778(Top 883%)
23M23.00 mi1.25 mi24222+739916+219916+2122774(Top 80%)9485(Top 78%)9485(Top 954%)
24M24.00 mi1.00 mi24037+1859830+869830+8618996(Top 67%)7551(Top 62%)7551(Top 760%)
40K24.85 mi0.85 mi24026+119838-89838-823435(Top 83%)9914(Top 81%)9914(Top 997%)
25.2M25.20 mi0.35 mi24046-209855-179855-1724352(Top 86%)10347(Top 85%)10347(Top 1041%)
Finish26.22 mi1.02 mi23909+1379793+629793+6218477(Top 65%)7333(Top 60%)7333(Top 738%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22070

Females

8601

F55-59

8601

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21427

Females

8267

F55-59

8267

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22070

Females

8601

F55-59

8601

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23673

Females

9529

F55-59

9529

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22775

Females

9029

F55-59

9029

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24386

Females

9952

F55-59

9952

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26337

Females

11142

F55-59

11142

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26402

Females

11228

F55-59

11228

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26221

Females

11164

F55-59

11164

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21494

Females

8778

F55-59

8778

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22774

Females

9485

F55-59

9485

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18996

Females

7551

F55-59

7551

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23435

Females

9914

F55-59

9914

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24352

Females

10347

F55-59

10347

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18477

Females

7333

F55-59

7333

Passing Analysis

Category:
Athletes Passed
1233
Passed By
3549
Net Change
-2316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21593
5K → 10K318226+92#21593#21501
10K → 15K155329-174#21501#21675
15K → 20K52721-669#21675#22344
20K → Half2846-18#22344#22362
Half → 25K42543-501#22362#22863
25K → 30K151038-1023#22863#23886
30K → 20M20355-335#23886#24221
20M → 21M17195-178#24221#24399
21M → 35K1062+104#24399#24295
35K → 23M10027+73#24295#24222
23M → 24M1850+185#24222#24037
24M → 40K4635+11#24037#24026
40K → 25.2M1030-20#24026#24046
25.2M → Finish1392+137#24046#23909
TOTALS12333549-2316
📊

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