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BOSTON MARATHON 2025

Jill Thomas

Bib: 28754•F

NC

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:04
Rank: #25570
Start → 5K
31:04 | 10:00/mi
10K· 6.21 mi
1:02:13
Rank: #25469 (+101)
5K → 10K
31:09 | 10:02/mi
15K· 9.32 mi
1:33:47
Rank: #25441 (+28)
10K → 15K
31:34 | 10:10/mi
20K· 12.43 mi
2:06:00
Rank: #25312 (+129)
15K → 20K
32:13 | 10:22/mi
Half· 13.11 mi
2:12:55
Rank: #25289 (+23)
20K → Half
6:55 | 10:08/mi
25K· 15.53 mi
2:39:00
Rank: #25193 (+96)
Half → 25K
26:05 | 10:45/mi
30K· 18.64 mi
3:15:56
Rank: #25256 (-63)
25K → 30K
36:56 | 11:53/mi
20M
3:31:26
Rank: #25201 (+55)
30K → 20M
15:30 | 11:24/mi
21M
3:44:30
Rank: #25212 (-11)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
3:53:01
Rank: #25210 (+2)
21M → 35K
8:31 | 11:23/mi
23M
4:07:36
Rank: #25169 (+41)
35K → 23M
14:35 | 11:39/mi
24M
4:18:38
Rank: #25130 (+39)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:28:34
Rank: #25119 (+11)
24M → 40K
9:56 | 11:37/mi
25.2M
4:33:12
Rank: #25127 (-8)
40K → 25.2M
4:38 | 13:26/mi
Finish· 26.22 mi
4:43:35
Rank: #25086 (+41)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:55
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:30:40
Pace11:30 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2731:0410:0031:04
10:00
-
10K
6.21 mi12:21:361:02:1310:0131:09
10:02
+0:02
15K
9.32 mi12:53:101:33:4710:0431:34
10:10
+0:08
20K
12.43 mi13:25:232:06:0010:0832:13
10:22
+0:12
Half
13.11 mi13:32:182:12:5510:086:55
10:08
-0:14
25K
15.53 mi13:58:232:39:0010:1426:05
10:45
+0:37
30K
18.64 mi14:35:193:15:5610:3136:56
11:53
+1:08
20M
20.00 mi14:50:493:31:2610:3415:30
11:24
-0:29
21M
21.00 mi15:03:533:44:3010:4113:04
13:04
+1:40
35K
21.75 mi15:12:243:53:0110:438:31
11:23
-1:41
23M
23.00 mi15:26:594:07:3610:4614:35
11:39
+0:16
24M
24.00 mi15:38:014:18:3810:4711:02
11:02
-0:37
40K
24.85 mi15:47:574:28:3410:489:56
11:37
+0:35
25.2M
25.20 mi15:52:354:33:1210:504:38
13:26
+1:49
Finish
26.22 mi16:02:584:43:3510:4910:23
10:11
-3:15

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

10:00 /mi

Average Pace

10:49 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:18

51% of race

Time at Steady Pace

1:01:08

22% of race

Time at Slower Pace

1:19:09

28% of race

Average Pace: 10:49 /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 mi11:50:2731:0410:0031:04
10:00
#25570
10K
6.21 mi12:21:361:02:1310:0131:09
10:02
#25469
15K
9.32 mi12:53:101:33:4710:0431:34
10:10
#25441
20K
12.43 mi13:25:232:06:0010:0832:13
10:22
#25312
Half
13.11 mi13:32:182:12:5510:086:55
10:08
#25289
25K
15.53 mi13:58:232:39:0010:1426:05
10:45
#25193
30K
18.64 mi14:35:193:15:5610:3136:56
11:53
#25256
20M
20.00 mi14:50:493:31:2610:3415:30
11:24
#25201
21M
21.00 mi15:03:533:44:3010:4113:04
13:04
#25212
35K
21.75 mi15:12:243:53:0110:438:31
11:23
#25210
23M
23.00 mi15:26:594:07:3610:4614:35
11:39
#25169
24M
24.00 mi15:38:014:18:3810:4711:02
11:02
#25130
40K
24.85 mi15:47:574:28:3410:489:56
11:37
#25119
25.2M
25.20 mi15:52:354:33:1210:504:38
13:26
#25127
Finish
26.22 mi16:02:584:43:3510:4910:23
10:11
#25086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25570105171051725324(Top 89%)10418(Top 85%)10418(Top 800%)
10K6.21 mi3.10 mi25469+10110483+3410483+3425375(Top 89%)10445(Top 85%)10445(Top 802%)
15K9.32 mi3.11 mi25441+2810464+1910464+1925324(Top 89%)10418(Top 85%)10418(Top 800%)
20K12.43 mi3.11 mi25312+12910414+5010414+5024952(Top 88%)10231(Top 84%)10231(Top 785%)
Half13.11 mi0.68 mi25289+2310402+1210402+1225094(Top 88%)10314(Top 84%)10314(Top 792%)
25K15.53 mi2.42 mi25193+9610360+4210360+4224822(Top 87%)10191(Top 83%)10191(Top 782%)
30K18.64 mi3.11 mi25256-6310422-6210422-6225429(Top 90%)10633(Top 87%)10633(Top 816%)
20M20.00 mi1.36 mi25201+5510412+1010412+1024370(Top 86%)10153(Top 83%)10153(Top 779%)
21M21.00 mi1.00 mi25212-1110430-1810430-1825113(Top 88%)10621(Top 87%)10621(Top 815%)
35K21.75 mi0.75 mi25210+210432-210432-224889(Top 88%)10528(Top 86%)10528(Top 808%)
23M23.00 mi1.25 mi25169+4110425+710425+724495(Top 86%)10347(Top 85%)10347(Top 794%)
24M24.00 mi1.00 mi25130+3910411+1410411+1424036(Top 85%)10136(Top 83%)10136(Top 778%)
40K24.85 mi0.85 mi25119+1110412-110412-124313(Top 86%)10332(Top 84%)10332(Top 793%)
25.2M25.20 mi0.35 mi25127-810420-810420-825556(Top 90%)10974(Top 90%)10974(Top 842%)
Finish26.22 mi1.02 mi25086+4110404+1610404+1623468(Top 83%)9915(Top 81%)9915(Top 761%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25324

Females

10418

F50-54

10418

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25375

Females

10445

F50-54

10445

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25324

Females

10418

F50-54

10418

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24952

Females

10231

F50-54

10231

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25094

Females

10314

F50-54

10314

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24822

Females

10191

F50-54

10191

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25429

Females

10633

F50-54

10633

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24370

Females

10153

F50-54

10153

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

25113

Females

10621

F50-54

10621

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

24889

Females

10528

F50-54

10528

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24495

Females

10347

F50-54

10347

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24036

Females

10136

F50-54

10136

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24313

Females

10332

F50-54

10332

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25556

Females

10974

F50-54

10974

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23468

Females

9915

F50-54

9915

Passing Analysis

Category:
Athletes Passed
1226
Passed By
742
Net Change
+484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25570
5K → 10K245144+101#25570#25469
10K → 15K140112+28#25469#25441
15K → 20K19364+129#25441#25312
20K → Half3512+23#25312#25289
Half → 25K14953+96#25289#25193
25K → 30K104167-63#25193#25256
30K → 20M8227+55#25256#25201
20M → 21M4354-11#25201#25212
21M → 35K2422+2#25212#25210
35K → 23M6524+41#25210#25169
23M → 24M5213+39#25169#25130
24M → 40K3524+11#25130#25119
40K → 25.2M614-8#25119#25127
25.2M → Finish5312+41#25127#25086
TOTALS1226742+484
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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