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BOSTON MARATHON 2025

Thomas Athey

Bib: 1712•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:55
Rank: #1388
Start → 5K
18:55 | 6:05/mi
10K· 6.21 mi
37:56
Rank: #1447 (-59)
5K → 10K
19:01 | 6:07/mi
15K· 9.32 mi
57:00
Rank: #1465 (-18)
10K → 15K
19:04 | 6:08/mi
20K· 12.43 mi
1:16:21
Rank: #1506 (-41)
15K → 20K
19:21 | 6:14/mi
Half· 13.11 mi
1:20:35
Rank: #1525 (-19)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:36:17
Rank: #1675 (-150)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
2:00:59
Rank: #2972 (-1297)
25K → 30K
24:42 | 7:57/mi
20M
2:12:49
Rank: #3710 (-738)
30K → 20M
11:50 | 8:42/mi
21M
2:22:05
Rank: #4319 (-609)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
2:28:32
Rank: #4812 (-493)
21M → 35K
6:27 | 8:37/mi
23M
2:39:48
Rank: #5491 (-679)
35K → 23M
11:16 | 9:00/mi
24M
2:48:08
Rank: #5728 (-237)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
2:55:07
Rank: #5863 (-135)
24M → 40K
6:59 | 8:10/mi
25.2M
2:58:07
Rank: #5892 (-29)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:06:07
Rank: #6026 (-134)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:35
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:45:32
Pace8:03 /mi
📊Positive Split: 31.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2218:556:0518:55
6:05
-
10K
6.21 mi10:38:2337:566:0619:01
6:07
+0:02
15K
9.32 mi10:57:2757:006:0719:04
6:08
+0:01
20K
12.43 mi11:16:481:16:216:0919:21
6:14
+0:06
Half
13.11 mi11:21:021:20:356:094:14
6:12
-0:02
25K
15.53 mi11:36:441:36:176:1215:42
6:29
+0:17
30K
18.64 mi12:01:262:00:596:2924:42
7:57
+1:28
20M
20.00 mi12:13:162:12:496:3811:50
8:42
+0:45
21M
21.00 mi12:22:322:22:056:469:16
9:16
+0:34
35K
21.75 mi12:28:592:28:326:506:27
8:37
-0:39
23M
23.00 mi12:40:152:39:486:5711:16
9:00
+0:23
24M
24.00 mi12:48:352:48:087:008:20
8:20
-0:40
40K
24.85 mi12:55:342:55:077:036:59
8:10
-0:10
25.2M
25.20 mi12:58:342:58:077:043:00
8:42
+0:32
Finish
26.22 mi13:06:343:06:077:068:00
7:51
-0:51

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

6:05 /mi

Average Pace

7:06 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:17

52% of race

Time at Steady Pace

48:01

26% of race

Time at Slower Pace

41:49

22% of race

Average Pace: 7:06 /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 mi10:19:2218:556:0518:55
6:05
#1388
10K
6.21 mi10:38:2337:566:0619:01
6:07
#1447
15K
9.32 mi10:57:2757:006:0719:04
6:08
#1465
20K
12.43 mi11:16:481:16:216:0919:21
6:14
#1506
Half
13.11 mi11:21:021:20:356:094:14
6:12
#1525
25K
15.53 mi11:36:441:36:176:1215:42
6:29
#1675
30K
18.64 mi12:01:262:00:596:2924:42
7:57
#2972
20M
20.00 mi12:13:162:12:496:3811:50
8:42
#3710
21M
21.00 mi12:22:322:22:056:469:16
9:16
#4319
35K
21.75 mi12:28:592:28:326:506:27
8:37
#4812
23M
23.00 mi12:40:152:39:486:5711:16
9:00
#5491
24M
24.00 mi12:48:352:48:087:008:20
8:20
#5728
40K
24.85 mi12:55:342:55:077:036:59
8:10
#5863
25.2M
25.20 mi12:58:342:58:077:043:00
8:42
#5892
Finish
26.22 mi13:06:343:06:077:068:00
7:51
#6026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1388132013201553(Top 5%)1476(Top 9%)1476(Top 26%)
10K6.21 mi3.10 mi1447-591377-571377-571553(Top 5%)1476(Top 9%)1476(Top 26%)
15K9.32 mi3.11 mi1465-181390-131390-131553(Top 5%)1476(Top 9%)1476(Top 26%)
20K12.43 mi3.11 mi1506-411431-411431-411694(Top 6%)1612(Top 10%)1612(Top 29%)
Half13.11 mi0.68 mi1525-191449-181449-182019(Top 7%)1928(Top 12%)1928(Top 34%)
25K15.53 mi2.42 mi1675-1501592-1431592-1432757(Top 10%)2624(Top 16%)2624(Top 47%)
30K18.64 mi3.11 mi2972-12972832-12402832-124011012(Top 39%)8187(Top 51%)8187(Top 145%)
20M20.00 mi1.36 mi3710-7383495-6633495-66315078(Top 53%)9942(Top 62%)9942(Top 176%)
21M21.00 mi1.00 mi4319-6094019-5244019-52414933(Top 53%)9745(Top 61%)9745(Top 173%)
35K21.75 mi0.75 mi4812-4934436-4174436-41716133(Top 57%)10216(Top 63%)10216(Top 181%)
23M23.00 mi1.25 mi5491-6794986-5504986-55016212(Top 57%)10159(Top 63%)10159(Top 180%)
24M24.00 mi1.00 mi5728-2375155-1695155-16913428(Top 47%)8847(Top 55%)8847(Top 157%)
40K24.85 mi0.85 mi5863-1355243-885243-8811306(Top 40%)7698(Top 48%)7698(Top 136%)
25.2M25.20 mi0.35 mi5892-295259-165259-169891(Top 35%)6867(Top 43%)6867(Top 122%)
Finish26.22 mi1.02 mi6026-1345338-795338-7911750(Top 41%)7889(Top 49%)7889(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1553

Males

1476

M18-39

1476

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1553

Males

1476

M18-39

1476

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1553

Males

1476

M18-39

1476

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1694

Males

1612

M18-39

1612

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2019

Males

1928

M18-39

1928

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2757

Males

2624

M18-39

2624

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11012

Males

8187

M18-39

8187

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15078

Males

9942

M18-39

9942

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14933

Males

9745

M18-39

9745

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16133

Males

10216

M18-39

10216

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16212

Males

10159

M18-39

10159

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13428

Males

8847

M18-39

8847

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11306

Males

7698

M18-39

7698

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9891

Males

6867

M18-39

6867

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11750

Males

7889

M18-39

7889

Passing Analysis

Category:
Athletes Passed
260
Passed By
4898
Net Change
-4638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1388
5K → 10K47106-59#1388#1447
10K → 15K4159-18#1447#1465
15K → 20K4182-41#1465#1506
20K → Half221-19#1506#1525
Half → 25K13163-150#1525#1675
25K → 30K01297-1297#1675#2972
30K → 20M7745-738#2972#3710
20M → 21M4613-609#3710#4319
21M → 35K9502-493#4319#4812
35K → 23M12691-679#4812#5491
23M → 24M12249-237#5491#5728
24M → 40K19154-135#5728#5863
40K → 25.2M2150-29#5863#5892
25.2M → Finish32166-134#5892#6026
TOTALS2604898-4638
📊

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