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BOSTON MARATHON 2025

Stephen Thoma

Bib: 2338•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M50-54)
#0 / 1996
Top 0.5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:13
Rank: #1765
Start → 5K
19:13 | 6:11/mi
10K· 6.21 mi
38:14
Rank: #1642 (+123)
5K → 10K
19:01 | 6:07/mi
15K· 9.32 mi
57:25
Rank: #1651 (-9)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:16:54
Rank: #1708 (-57)
15K → 20K
19:29 | 6:16/mi
Half· 13.11 mi
1:21:06
Rank: #1702 (+6)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:10
Rank: #1650 (+52)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:49
Rank: #1545 (+105)
25K → 30K
19:39 | 6:19/mi
20M
2:04:31
Rank: #1489 (+56)
30K → 20M
8:42 | 6:24/mi
21M
2:11:18
Rank: #1464 (+25)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:15:50
Rank: #1409 (+55)
21M → 35K
4:32 | 6:04/mi
23M
2:23:49
Rank: #1355 (+54)
35K → 23M
7:59 | 6:23/mi
24M
2:29:59
Rank: #1310 (+45)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:35:25
Rank: #1297 (+13)
24M → 40K
5:26 | 6:21/mi
25.2M
2:37:50
Rank: #1290 (+7)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:44:11
Rank: #1274 (+16)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:06
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:23:05
Pace6:20 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0319:136:1119:13
6:11
-
10K
6.21 mi10:39:0438:146:0919:01
6:07
-0:04
15K
9.32 mi10:58:1557:256:1019:11
6:10
+0:03
20K
12.43 mi11:17:441:16:546:1119:29
6:16
+0:06
Half
13.11 mi11:21:561:21:066:114:12
6:09
-0:07
25K
15.53 mi11:37:001:36:106:1115:04
6:13
+0:04
30K
18.64 mi11:56:391:55:496:1319:39
6:19
+0:06
20M
20.00 mi12:05:212:04:316:148:42
6:24
+0:05
21M
21.00 mi12:12:082:11:186:156:47
6:47
+0:23
35K
21.75 mi12:16:402:15:506:154:32
6:04
-0:43
23M
23.00 mi12:24:392:23:496:157:59
6:23
+0:19
24M
24.00 mi12:30:492:29:596:156:10
6:10
-0:13
40K
24.85 mi12:36:152:35:256:155:26
6:21
+0:11
25.2M
25.20 mi12:38:402:37:506:162:25
7:00
+0:39
Finish
26.22 mi12:45:012:44:116:166:21
6:14
-0:46

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

6:04 /mi

Average Pace

6:16 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:59

94% of race

Time at Steady Pace

9:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:20:0319:136:1119:13
6:11
#1765
10K
6.21 mi10:39:0438:146:0919:01
6:07
#1642
15K
9.32 mi10:58:1557:256:1019:11
6:10
#1651
20K
12.43 mi11:17:441:16:546:1119:29
6:16
#1708
Half
13.11 mi11:21:561:21:066:114:12
6:09
#1702
25K
15.53 mi11:37:001:36:106:1115:04
6:13
#1650
30K
18.64 mi11:56:391:55:496:1319:39
6:19
#1545
20M
20.00 mi12:05:212:04:316:148:42
6:24
#1489
21M
21.00 mi12:12:082:11:186:156:47
6:47
#1464
35K
21.75 mi12:16:402:15:506:154:32
6:04
#1409
23M
23.00 mi12:24:392:23:496:157:59
6:23
#1355
24M
24.00 mi12:30:492:29:596:156:10
6:10
#1310
40K
24.85 mi12:36:152:35:256:155:26
6:21
#1297
25.2M
25.20 mi12:38:402:37:506:162:25
7:00
#1290
Finish
26.22 mi12:45:012:44:116:166:21
6:14
#1274
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi1765167616761711(Top 6%)1624(Top 10%)1624(Top 81%)
10K6.21 mi3.10 mi1642+1231563+1131563+1131546(Top 5%)1469(Top 9%)1469(Top 74%)
15K9.32 mi3.11 mi1651-91571-81571-81711(Top 6%)1624(Top 10%)1624(Top 81%)
20K12.43 mi3.11 mi1708-571623-521623-521882(Top 7%)1792(Top 11%)1792(Top 90%)
Half13.11 mi0.68 mi1702+61616+71616+71731(Top 6%)1647(Top 10%)1647(Top 83%)
25K15.53 mi2.42 mi1650+521567+491567+491504(Top 5%)1429(Top 9%)1429(Top 72%)
30K18.64 mi3.11 mi1545+1051464+1031464+1031282(Top 5%)1210(Top 8%)1210(Top 61%)
20M20.00 mi1.36 mi1489+561409+551409+551250(Top 4%)1181(Top 7%)1181(Top 59%)
21M21.00 mi1.00 mi1464+251384+251384+251451(Top 5%)1367(Top 8%)1367(Top 68%)
35K21.75 mi0.75 mi1409+551331+531331+53862(Top 3%)807(Top 5%)807(Top 40%)
23M23.00 mi1.25 mi1355+541278+531278+531071(Top 4%)1013(Top 6%)1013(Top 51%)
24M24.00 mi1.00 mi1310+451234+441234+44930(Top 3%)875(Top 5%)875(Top 44%)
40K24.85 mi0.85 mi1297+131221+131221+131101(Top 4%)1030(Top 6%)1030(Top 52%)
25.2M25.20 mi0.35 mi1290+71214+71214+71466(Top 5%)1337(Top 8%)1337(Top 67%)
Finish26.22 mi1.02 mi1274+161199+151199+151608(Top 6%)1492(Top 9%)1492(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1711

Males

1624

M50-54

1624

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1546

Males

1469

M50-54

1469

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1711

Males

1624

M50-54

1624

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1882

Males

1792

M50-54

1792

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1731

Males

1647

M50-54

1647

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1504

Males

1429

M50-54

1429

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1282

Males

1210

M50-54

1210

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1250

Males

1181

M50-54

1181

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1451

Males

1367

M50-54

1367

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

862

Males

807

M50-54

807

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1071

Males

1013

M50-54

1013

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

930

Males

875

M50-54

875

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1101

Males

1030

M50-54

1030

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1466

Males

1337

M50-54

1337

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1608

Males

1492

M50-54

1492

Passing Analysis

Category:
Athletes Passed
801
Passed By
310
Net Change
+491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1765
5K → 10K15633+123#1765#1642
10K → 15K5867-9#1642#1651
15K → 20K3289-57#1651#1708
20K → Half126+6#1708#1702
Half → 25K7321+52#1702#1650
25K → 30K12520+105#1650#1545
30K → 20M659+56#1545#1489
20M → 21M4015+25#1489#1464
21M → 35K572+55#1464#1409
35K → 23M6713+54#1409#1355
23M → 24M494+45#1355#1310
24M → 40K2411+13#1310#1297
40K → 25.2M136+7#1297#1290
25.2M → Finish3014+16#1290#1274
TOTALS801310+491
📊

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