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BOSTON MARATHON 2025

Thelma Dee

Bib: 24267•F

UT

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
10:23/mi
32:15
↑ 97↓ 3451.5%
10K· 6.21 mi
10:38/mi
1:05:16
↑ 79↓ 1380.4%
15K· 9.32 mi
10:44/mi
1:38:38
↑ 67↓ 78
20K· 12.43 mi
10:43/mi
2:11:57
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:19:11
↑ 19↓ 370.5%
25K· 15.53 mi
11:11/mi
2:46:19
↑ 66↓ 880.2%
30K· 18.64 mi
11:46/mi
3:22:52
↑ 181↓ 1480.2%
20M
11:55/mi
3:39:03
↑ 64↓ 500.2%
21M
13:05/mi
3:52:08
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
4:00:46
↑ 17↓ 861.7%
23M
12:23/mi
4:16:16
↑ 23↓ 630.6%
24M
11:51/mi
4:28:07
↓ 821.3%
40K· 24.85 mi
12:18/mi
4:38:38
↓ 200.3%
25.2M
14:56/mi
4:43:47
↑ 13↓ 160.2%
Finish· 26.22 mi
12:33/mi
4:56:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:11
Pace10:37 /mi
2nd Half
Distance13.11 mi
Time2:37:23
Pace12:00 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:3232:1510:2332:15
10:23
-
10K
6.21 mi12:03:331:05:1610:3033:01
10:38
+0:15
15K
9.32 mi12:36:551:38:3810:3533:22
10:44
+0:06
20K
12.43 mi13:10:142:11:5710:3733:19
10:43
-0:01
Half
13.11 mi13:17:282:19:1110:377:14
10:36
-0:07
25K
15.53 mi13:44:362:46:1910:4227:08
11:11
+0:35
30K
18.64 mi14:21:093:22:5210:5336:33
11:46
+0:35
20M
20.00 mi14:37:203:39:0310:5716:11
11:55
+0:09
21M
21.00 mi14:50:253:52:0811:0313:05
13:05
+1:10
35K
21.75 mi14:59:034:00:4611:048:38
11:32
-1:33
23M
23.00 mi15:14:334:16:1611:0915:30
12:23
+0:51
24M
24.00 mi15:26:244:28:0711:1011:51
11:51
-0:32
40K
24.85 mi15:36:554:38:3811:1310:31
12:18
+0:27
25.2M
25.20 mi15:42:044:43:4711:165:09
14:56
+2:38
Finish
26.22 mi15:54:514:56:3411:1912:47
12:33
-2:23

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

10:23 /mi

Average Pace

11:19 /mi

Slowest Pace

14:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:19

56% of race

Time at Steady Pace

1:23:44

28% of race

Time at Slower Pace

46:31

16% of race

Average Pace: 11:19 /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 mi11:30:3232:1510:2332:15
10:23
#26475
10K
6.21 mi12:03:331:05:1610:3033:01
10:38
#26490
15K
9.32 mi12:36:551:38:3810:3533:22
10:44
#26428
20K
12.43 mi13:10:142:11:5710:3733:19
10:43
#26195
Half
13.11 mi13:17:282:19:1110:377:14
10:36
#26166
25K
15.53 mi13:44:362:46:1910:4227:08
11:11
#26043
30K
18.64 mi14:21:093:22:5210:5336:33
11:46
#25882
20M
20.00 mi14:37:203:39:0310:5716:11
11:55
#25820
21M
21.00 mi14:50:253:52:0811:0313:05
13:05
#25811
35K
21.75 mi14:59:034:00:4611:048:38
11:32
#25800
23M
23.00 mi15:14:334:16:1611:0915:30
12:23
#25816
24M
24.00 mi15:26:244:28:0711:1011:51
11:51
#25810
40K
24.85 mi15:36:554:38:3811:1310:31
12:18
#25815
25.2M
25.20 mi15:42:044:43:4711:165:09
14:56
#25854
Finish
26.22 mi15:54:514:56:3411:1912:47
12:33
#25946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26475110191101926308(Top 93%)10951(Top 90%)10951(Top 1102%)
10K6.21 mi3.10 mi26490-1511048-2911048-2926481(Top 93%)11061(Top 90%)11061(Top 1113%)
15K9.32 mi3.11 mi26428+6211014+3411014+3426308(Top 93%)10951(Top 90%)10951(Top 1102%)
20K12.43 mi3.11 mi26195+23310884+13010884+13025581(Top 90%)10580(Top 87%)10580(Top 1064%)
Half13.11 mi0.68 mi26166+2910875+910875+925934(Top 91%)10784(Top 88%)10784(Top 1085%)
25K15.53 mi2.42 mi26043+12310821+5410821+5425463(Top 90%)10547(Top 86%)10547(Top 1061%)
30K18.64 mi3.11 mi25882+16110756+6510756+6525243(Top 89%)10528(Top 86%)10528(Top 1059%)
20M20.00 mi1.36 mi25820+6210743+1310743+1325125(Top 88%)10549(Top 86%)10549(Top 1061%)
21M21.00 mi1.00 mi25811+910749-610749-625143(Top 89%)10637(Top 87%)10637(Top 1070%)
35K21.75 mi0.75 mi25800+1110746+310746+325140(Top 89%)10662(Top 87%)10662(Top 1073%)
23M23.00 mi1.25 mi25816-1610768-2210768-2225626(Top 90%)10920(Top 89%)10920(Top 1099%)
24M24.00 mi1.00 mi25810+610778-1010778-1025472(Top 90%)10865(Top 89%)10865(Top 1093%)
40K24.85 mi0.85 mi25815-510791-1310791-1325366(Top 89%)10852(Top 89%)10852(Top 1092%)
25.2M25.20 mi0.35 mi25854-3910811-2010811-2027058(Top 95%)11690(Top 96%)11690(Top 1176%)
Finish26.22 mi1.02 mi25946-9210864-5310864-5327319(Top 96%)11780(Top 96%)11780(Top 1185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26308

Females

10951

F55-59

10951

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26481

Females

11061

F55-59

11061

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26308

Females

10951

F55-59

10951

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25581

Females

10580

F55-59

10580

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25934

Females

10784

F55-59

10784

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25463

Females

10547

F55-59

10547

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25243

Females

10528

F55-59

10528

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25125

Females

10549

F55-59

10549

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25143

Females

10637

F55-59

10637

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25140

Females

10662

F55-59

10662

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

25626

Females

10920

F55-59

10920

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25472

Females

10865

F55-59

10865

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25366

Females

10852

F55-59

10852

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

27058

Females

11690

F55-59

11690

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27319

Females

11780

F55-59

11780

Passing Analysis

Category:
Athletes Passed
1229
Passed By
700
Net Change
+529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26475
5K → 10K161176-15#26475#26490
10K → 15K15694+62#26490#26428
15K → 20K26128+233#26428#26195
20K → Half378+29#26195#26166
Half → 25K14623+123#26166#26043
25K → 30K19837+161#26043#25882
30K → 20M8927+62#25882#25820
20M → 21M4536+9#25820#25811
21M → 35K3019+11#25811#25800
35K → 23M3450-16#25800#25816
23M → 24M3428+6#25816#25810
24M → 40K2530-5#25810#25815
40K → 25.2M847-39#25815#25854
25.2M → Finish597-92#25854#25946
TOTALS1229700+529
📊

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