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BOSTON MARATHON 2025

Thomas Lax

Bib: 16223•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #17000
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
50:10
Rank: #17054 (-54)
5K → 10K
25:09 | 8:06/mi
15K· 9.32 mi
1:15:31
Rank: #17096 (-42)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:41:02
Rank: #16894 (+202)
15K → 20K
25:31 | 8:13/mi
Half· 13.11 mi
1:46:35
Rank: #16892 (+2)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:06:36
Rank: #16636 (+256)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:34:44
Rank: #16843 (-207)
25K → 30K
28:08 | 9:03/mi
20M
2:46:42
Rank: #16733 (+110)
30K → 20M
11:58 | 8:48/mi
21M
2:56:17
Rank: #16664 (+69)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:02:28
Rank: #16545 (+119)
21M → 35K
6:11 | 8:16/mi
23M
3:13:32
Rank: #16430 (+115)
35K → 23M
11:04 | 8:50/mi
24M
3:21:55
Rank: #16279 (+151)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:29:20
Rank: #16225 (+54)
24M → 40K
7:25 | 8:40/mi
25.2M
3:32:35
Rank: #16180 (+45)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:40:53
Rank: #16087 (+93)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:35
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:54:18
Pace8:43 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:5325:018:0325:01
8:03
-
10K
6.21 mi11:24:0250:108:0425:09
8:06
+0:03
15K
9.32 mi11:49:231:15:318:0625:21
8:10
+0:04
20K
12.43 mi12:14:541:41:028:0825:31
8:13
+0:03
Half
13.11 mi12:20:271:46:358:085:33
8:08
-0:05
25K
15.53 mi12:40:282:06:368:0920:01
8:15
+0:07
30K
18.64 mi13:08:362:34:448:1828:08
9:03
+0:48
20M
20.00 mi13:20:342:46:428:2011:58
8:48
-0:15
21M
21.00 mi13:30:092:56:178:249:35
9:35
+0:47
35K
21.75 mi13:36:203:02:288:236:11
8:16
-1:19
23M
23.00 mi13:47:243:13:328:2511:04
8:50
+0:34
24M
24.00 mi13:55:473:21:558:258:23
8:23
-0:27
40K
24.85 mi14:03:123:29:208:257:25
8:40
+0:17
25.2M
25.20 mi14:06:273:32:358:263:15
9:25
+0:45
Finish
26.22 mi14:14:453:40:538:268:18
8:09
-1:16

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

8:03 /mi

Average Pace

8:26 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:55

81% of race

Time at Steady Pace

31:23

14% of race

Time at Slower Pace

9:35

4% of race

Average Pace: 8:25 /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 mi10:58:5325:018:0325:01
8:03
#17000
10K
6.21 mi11:24:0250:108:0425:09
8:06
#17054
15K
9.32 mi11:49:231:15:318:0625:21
8:10
#17096
20K
12.43 mi12:14:541:41:028:0825:31
8:13
#16894
Half
13.11 mi12:20:271:46:358:085:33
8:08
#16892
25K
15.53 mi12:40:282:06:368:0920:01
8:15
#16636
30K
18.64 mi13:08:362:34:448:1828:08
9:03
#16843
20M
20.00 mi13:20:342:46:428:2011:58
8:48
#16733
21M
21.00 mi13:30:092:56:178:249:35
9:35
#16664
35K
21.75 mi13:36:203:02:288:236:11
8:16
#16545
23M
23.00 mi13:47:243:13:328:2511:04
8:50
#16430
24M
24.00 mi13:55:473:21:558:258:23
8:23
#16279
40K
24.85 mi14:03:123:29:208:257:25
8:40
#16225
25.2M
25.20 mi14:06:273:32:358:263:15
9:25
#16180
Finish
26.22 mi14:14:453:40:538:268:18
8:09
#16087
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17000112091120917128(Top 60%)11268(Top 70%)11268(Top 895%)
10K6.21 mi3.10 mi17054-5411245-3611245-3617142(Top 60%)11309(Top 70%)11309(Top 898%)
15K9.32 mi3.11 mi17096-4211273-2811273-2817128(Top 60%)11268(Top 70%)11268(Top 895%)
20K12.43 mi3.11 mi16894+20211168+10511168+10516371(Top 58%)10905(Top 68%)10905(Top 866%)
Half13.11 mi0.68 mi16892+211167+111167+116805(Top 59%)11100(Top 69%)11100(Top 882%)
25K15.53 mi2.42 mi16636+25611039+12811039+12815641(Top 55%)10507(Top 65%)10507(Top 835%)
30K18.64 mi3.11 mi16843-20711071-3211071-3217945(Top 63%)11347(Top 70%)11347(Top 901%)
20M20.00 mi1.36 mi16733+11011004+6711004+6715679(Top 55%)10231(Top 64%)10231(Top 813%)
21M21.00 mi1.00 mi16664+6910936+6810936+6816439(Top 58%)10447(Top 65%)10447(Top 830%)
35K21.75 mi0.75 mi16545+11910869+6710869+6714032(Top 49%)9317(Top 58%)9317(Top 740%)
23M23.00 mi1.25 mi16430+11510798+7110798+7115312(Top 54%)9774(Top 61%)9774(Top 776%)
24M24.00 mi1.00 mi16279+15110701+9710701+9713757(Top 48%)9035(Top 56%)9035(Top 718%)
40K24.85 mi0.85 mi16225+5410653+4810653+4814458(Top 51%)9207(Top 57%)9207(Top 731%)
25.2M25.20 mi0.35 mi16180+4510623+3010623+3014121(Top 50%)9006(Top 56%)9006(Top 715%)
Finish26.22 mi1.02 mi16087+9310563+6010563+6013895(Top 49%)8964(Top 56%)8964(Top 712%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17128

Males

11268

M60-64

11268

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17142

Males

11309

M60-64

11309

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17128

Males

11268

M60-64

11268

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16371

Males

10905

M60-64

10905

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16805

Males

11100

M60-64

11100

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15641

Males

10507

M60-64

10507

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17945

Males

11347

M60-64

11347

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15679

Males

10231

M60-64

10231

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16439

Males

10447

M60-64

10447

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

14032

Males

9317

M60-64

9317

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15312

Males

9774

M60-64

9774

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13757

Males

9035

M60-64

9035

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14458

Males

9207

M60-64

9207

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14121

Males

9006

M60-64

9006

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13895

Males

8964

M60-64

8964

Passing Analysis

Category:
Athletes Passed
2275
Passed By
1362
Net Change
+913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17000
5K → 10K280334-54#17000#17054
10K → 15K192234-42#17054#17096
15K → 20K28886+202#17096#16894
20K → Half3634+2#16894#16892
Half → 25K29842+256#16892#16636
25K → 30K154361-207#16636#16843
30K → 20M16252+110#16843#16733
20M → 21M13364+69#16733#16664
21M → 35K12910+119#16664#16545
35K → 23M16752+115#16545#16430
23M → 24M16716+151#16430#16279
24M → 40K9440+54#16279#16225
40K → 25.2M5510+45#16225#16180
25.2M → Finish12027+93#16180#16087
TOTALS22751362+913
📊

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