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BOSTON MARATHON 2023

Tom James

Bib: 6482•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:48
Rank: #3621
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:23
Rank: #3618 (+3)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:02:02
Rank: #3603 (+15)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:22:55
Rank: #3617 (-14)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:27:29
Rank: #3653 (-36)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:51
Rank: #3638 (+15)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:05:20
Rank: #3639 (-1)
25K → 30K
21:29 | 6:55/mi
20M
2:14:46
Rank: #3602 (+37)
30K → 20M
9:26 | 6:57/mi
21M
2:22:07
Rank: #3597 (+5)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:27:18
Rank: #3648 (-51)
21M → 35K
5:11 | 6:56/mi
23M
2:36:15
Rank: #3690 (-42)
35K → 23M
8:57 | 7:09/mi
24M
2:43:06
Rank: #3686 (+4)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:49:04
Rank: #3674 (+12)
24M → 40K
5:58 | 6:59/mi
25.2M
2:51:38
Rank: #3661 (+13)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:58:26
Rank: #3627 (+34)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:29
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:57
Pace6:56 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5820:486:4220:48
6:42
-
10K
6.21 mi10:44:3341:236:4020:35
6:38
-0:04
15K
9.32 mi11:05:121:02:026:3920:39
6:39
+0:01
20K
12.43 mi11:26:051:22:556:4020:53
6:43
+0:04
Half
13.11 mi11:30:391:27:296:404:34
6:42
-0:01
25K
15.53 mi11:47:011:43:516:4116:22
6:45
+0:03
30K
18.64 mi12:08:302:05:206:4321:29
6:55
+0:10
20M
20.00 mi12:17:562:14:466:449:26
6:57
+0:02
21M
21.00 mi12:25:172:22:076:467:21
7:21
+0:24
35K
21.75 mi12:30:282:27:186:465:11
6:56
-0:25
23M
23.00 mi12:39:252:36:156:488:57
7:09
+0:13
24M
24.00 mi12:46:162:43:066:486:51
6:51
-0:18
40K
24.85 mi12:52:142:49:046:485:58
6:59
+0:08
25.2M
25.20 mi12:54:482:51:386:492:34
7:27
+0:28
Finish
26.22 mi13:01:362:58:266:496:48
6:40
-0:47

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

6:38 /mi

Average Pace

6:49 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:31

94% of race

Time at Steady Pace

9:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:23:5820:486:4220:48
6:42
#3621
10K
6.21 mi10:44:3341:236:4020:35
6:38
#3618
15K
9.32 mi11:05:121:02:026:3920:39
6:39
#3603
20K
12.43 mi11:26:051:22:556:4020:53
6:43
#3617
Half
13.11 mi11:30:391:27:296:404:34
6:42
#3653
25K
15.53 mi11:47:011:43:516:4116:22
6:45
#3638
30K
18.64 mi12:08:302:05:206:4321:29
6:55
#3639
20M
20.00 mi12:17:562:14:466:449:26
6:57
#3602
21M
21.00 mi12:25:172:22:076:467:21
7:21
#3597
35K
21.75 mi12:30:282:27:186:465:11
6:56
#3648
23M
23.00 mi12:39:252:36:156:488:57
7:09
#3690
24M
24.00 mi12:46:162:43:066:486:51
6:51
#3686
40K
24.85 mi12:52:142:49:046:485:58
6:59
#3674
25.2M
25.20 mi12:54:482:51:386:492:34
7:27
#3661
Finish
26.22 mi13:01:362:58:266:496:48
6:40
#3627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3621341134113669(Top 14%)3460(Top 23%)3460(Top 65%)
10K6.21 mi3.10 mi3618+33413-23413-23682(Top 14%)3478(Top 23%)3478(Top 66%)
15K9.32 mi3.11 mi3603+153405+83405+83669(Top 14%)3460(Top 23%)3460(Top 65%)
20K12.43 mi3.11 mi3617-143423-183423-183742(Top 14%)3536(Top 23%)3536(Top 67%)
Half13.11 mi0.68 mi3653-363457-343457-344221(Top 16%)3945(Top 26%)3945(Top 75%)
25K15.53 mi2.42 mi3638+153443+143443+143743(Top 14%)3523(Top 23%)3523(Top 67%)
30K18.64 mi3.11 mi3639-13440+33440+33750(Top 14%)3516(Top 23%)3516(Top 67%)
20M20.00 mi1.36 mi3602+373407+333407+333664(Top 14%)3416(Top 23%)3416(Top 65%)
21M21.00 mi1.00 mi3597+53404+33404+33863(Top 15%)3571(Top 24%)3571(Top 68%)
35K21.75 mi0.75 mi3648-513445-413445-414891(Top 18%)4397(Top 29%)4397(Top 83%)
23M23.00 mi1.25 mi3690-423479-343479-344531(Top 17%)4103(Top 27%)4103(Top 78%)
24M24.00 mi1.00 mi3686+43472+73472+73923(Top 15%)3582(Top 24%)3582(Top 68%)
40K24.85 mi0.85 mi3674+123456+163456+163712(Top 14%)3353(Top 22%)3353(Top 63%)
25.2M25.20 mi0.35 mi3661+133444+123444+123603(Top 14%)3231(Top 21%)3231(Top 61%)
Finish26.22 mi1.02 mi3627+343413+313413+313347(Top 13%)3005(Top 20%)3005(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3669

Males

3460

M18-39

3460

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3682

Males

3478

M18-39

3478

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3669

Males

3460

M18-39

3460

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3742

Males

3536

M18-39

3536

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4221

Males

3945

M18-39

3945

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3743

Males

3523

M18-39

3523

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3750

Males

3516

M18-39

3516

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3664

Males

3416

M18-39

3416

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3863

Males

3571

M18-39

3571

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4891

Males

4397

M18-39

4397

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4531

Males

4103

M18-39

4103

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3923

Males

3582

M18-39

3582

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3712

Males

3353

M18-39

3353

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3603

Males

3231

M18-39

3231

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3347

Males

3005

M18-39

3005

Passing Analysis

Category:
Athletes Passed
986
Passed By
992
Net Change
-6
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3621
5K → 10K201198+3#3621#3618
10K → 15K11196+15#3618#3603
15K → 20K8094-14#3603#3617
20K → Half642-36#3617#3653
Half → 25K9075+15#3653#3638
25K → 30K103104-1#3638#3639
30K → 20M7538+37#3639#3602
20M → 21M5348+5#3602#3597
21M → 35K1869-51#3597#3648
35K → 23M4890-42#3648#3690
23M → 24M5349+4#3690#3686
24M → 40K4836+12#3686#3674
40K → 25.2M2815+13#3674#3661
25.2M → Finish7238+34#3661#3627
TOTALS986992-6
📊

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