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BOSTON MARATHON 2023

Jeff Thompson

Bib: 4740•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #3707
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:21
Rank: #3564 (+143)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:02:00
Rank: #3576 (-12)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:22:18
Rank: #3236 (+340)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:26:44
Rank: #3199 (+37)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:39
Rank: #3051 (+148)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:03:35
Rank: #2910 (+141)
25K → 30K
20:56 | 6:44/mi
20M
2:12:52
Rank: #2894 (+16)
30K → 20M
9:17 | 6:50/mi
21M
2:20:10
Rank: #2922 (-28)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:25:10
Rank: #2913 (+9)
21M → 35K
5:00 | 6:41/mi
23M
2:33:44
Rank: #2874 (+39)
35K → 23M
8:34 | 6:51/mi
24M
2:40:23
Rank: #2864 (+10)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:46:16
Rank: #2849 (+15)
24M → 40K
5:53 | 6:53/mi
25.2M
2:48:45
Rank: #2825 (+24)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:55:25
Rank: #2803 (+22)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4220:506:4220:50
6:42
-
10K
6.21 mi10:43:1341:216:3920:31
6:36
-0:06
15K
9.32 mi11:03:521:02:006:3920:39
6:39
+0:03
20K
12.43 mi11:24:101:22:186:3720:18
6:32
-0:07
Half
13.11 mi11:28:361:26:446:374:26
6:30
-0:02
25K
15.53 mi11:44:311:42:396:3615:55
6:34
+0:04
30K
18.64 mi12:05:272:03:356:3820:56
6:44
+0:10
20M
20.00 mi12:14:442:12:526:399:17
6:50
+0:06
21M
21.00 mi12:22:022:20:106:407:18
7:18
+0:28
35K
21.75 mi12:27:022:25:106:405:00
6:41
-0:37
23M
23.00 mi12:35:362:33:446:418:34
6:51
+0:10
24M
24.00 mi12:42:152:40:236:416:39
6:39
-0:12
40K
24.85 mi12:48:082:46:166:415:53
6:53
+0:14
25.2M
25.20 mi12:50:372:48:456:422:29
7:12
+0:19
Finish
26.22 mi12:57:172:55:256:426:40
6:33
-0:39

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

6:30 /mi

Average Pace

6:42 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:45:38

94% of race

Time at Steady Pace

9:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:4220:506:4220:50
6:42
#3707
10K
6.21 mi10:43:1341:216:3920:31
6:36
#3564
15K
9.32 mi11:03:521:02:006:3920:39
6:39
#3576
20K
12.43 mi11:24:101:22:186:3720:18
6:32
#3236
Half
13.11 mi11:28:361:26:446:374:26
6:30
#3199
25K
15.53 mi11:44:311:42:396:3615:55
6:34
#3051
30K
18.64 mi12:05:272:03:356:3820:56
6:44
#2910
20M
20.00 mi12:14:442:12:526:399:17
6:50
#2894
21M
21.00 mi12:22:022:20:106:407:18
7:18
#2922
35K
21.75 mi12:27:022:25:106:405:00
6:41
#2913
23M
23.00 mi12:35:362:33:446:418:34
6:51
#2874
24M
24.00 mi12:42:152:40:236:416:39
6:39
#2864
40K
24.85 mi12:48:082:46:166:415:53
6:53
#2849
25.2M
25.20 mi12:50:372:48:456:422:29
7:12
#2825
Finish
26.22 mi12:57:172:55:256:426:40
6:33
#2803
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3707348334833656(Top 14%)3447(Top 23%)3447(Top 65%)
10K6.21 mi3.10 mi3564+1433365+1183365+1183510(Top 13%)3323(Top 22%)3323(Top 63%)
15K9.32 mi3.11 mi3576-123381-163381-163656(Top 14%)3447(Top 23%)3447(Top 65%)
20K12.43 mi3.11 mi3236+3403078+3033078+3032487(Top 9%)2382(Top 16%)2382(Top 45%)
Half13.11 mi0.68 mi3199+373045+333045+332779(Top 10%)2663(Top 18%)2663(Top 50%)
25K15.53 mi2.42 mi3051+1482909+1362909+1362516(Top 9%)2407(Top 16%)2407(Top 46%)
30K18.64 mi3.11 mi2910+1412783+1262783+1262610(Top 10%)2481(Top 16%)2481(Top 47%)
20M20.00 mi1.36 mi2894+162765+182765+183000(Top 11%)2820(Top 19%)2820(Top 53%)
21M21.00 mi1.00 mi2922-282788-232788-233579(Top 13%)3319(Top 22%)3319(Top 63%)
35K21.75 mi0.75 mi2913+92776+122776+123428(Top 13%)3180(Top 21%)3180(Top 60%)
23M23.00 mi1.25 mi2874+392734+422734+422887(Top 11%)2697(Top 18%)2697(Top 51%)
24M24.00 mi1.00 mi2864+102722+122722+122822(Top 11%)2623(Top 17%)2623(Top 50%)
40K24.85 mi0.85 mi2849+152709+132709+133199(Top 12%)2929(Top 19%)2929(Top 55%)
25.2M25.20 mi0.35 mi2825+242685+242685+242508(Top 9%)2321(Top 15%)2321(Top 44%)
Finish26.22 mi1.02 mi2803+222662+232662+232683(Top 10%)2455(Top 16%)2455(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3656

Males

3447

M18-39

3447

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3510

Males

3323

M18-39

3323

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3656

Males

3447

M18-39

3447

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2487

Males

2382

M18-39

2382

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2779

Males

2663

M18-39

2663

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2516

Males

2407

M18-39

2407

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2610

Males

2481

M18-39

2481

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3000

Males

2820

M18-39

2820

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3579

Males

3319

M18-39

3319

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3428

Males

3180

M18-39

3180

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2887

Males

2697

M18-39

2697

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2822

Males

2623

M18-39

2623

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3199

Males

2929

M18-39

2929

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2508

Males

2321

M18-39

2321

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2683

Males

2455

M18-39

2455

Passing Analysis

Category:
Athletes Passed
1439
Passed By
535
Net Change
+904
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3707
5K → 10K278135+143#3707#3564
10K → 15K104116-12#3564#3576
15K → 20K3422+340#3576#3236
20K → Half425+37#3236#3199
Half → 25K15810+148#3199#3051
25K → 30K16221+141#3051#2910
30K → 20M4327+16#2910#2894
20M → 21M3462-28#2894#2922
21M → 35K3627+9#2922#2913
35K → 23M7334+39#2913#2874
23M → 24M3929+10#2874#2864
24M → 40K5136+15#2864#2849
40K → 25.2M328+24#2849#2825
25.2M → Finish4523+22#2825#2803
TOTALS1439535+904
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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