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BOSTON MARATHON 2023

James Mandart

Bib: 29032•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18492
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
53:33
Rank: #18617 (-125)
5K → 10K
26:42 | 8:36/mi
15K· 9.32 mi
1:20:29
Rank: #18661 (-44)
10K → 15K
26:56 | 8:40/mi
20K· 12.43 mi
1:47:46
Rank: #18645 (+16)
15K → 20K
27:17 | 8:47/mi
Half· 13.11 mi
1:53:47
Rank: #18693 (-48)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:15:23
Rank: #18658 (+35)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:43:39
Rank: #18447 (+211)
25K → 30K
28:16 | 9:06/mi
20M
2:56:16
Rank: #18414 (+33)
30K → 20M
12:37 | 9:17/mi
21M
3:06:07
Rank: #18347 (+67)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:12:40
Rank: #18264 (+83)
21M → 35K
6:33 | 8:45/mi
23M
3:24:13
Rank: #18202 (+62)
35K → 23M
11:33 | 9:13/mi
24M
3:33:22
Rank: #18192 (+10)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:41:33
Rank: #18216 (-24)
24M → 40K
8:11 | 9:34/mi
25.2M
3:44:57
Rank: #18208 (+8)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:53:44
Rank: #18130 (+78)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:47
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:59:57
Pace9:09 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4226:518:3926:51
8:39
-
10K
6.21 mi12:18:2453:338:3726:42
8:36
-0:03
15K
9.32 mi12:45:201:20:298:3826:56
8:40
+0:04
20K
12.43 mi13:12:371:47:468:4027:17
8:47
+0:07
Half
13.11 mi13:18:381:53:478:416:01
8:49
+0:02
25K
15.53 mi13:40:142:15:238:4321:36
8:55
+0:06
30K
18.64 mi14:08:302:43:398:4728:16
9:06
+0:11
20M
20.00 mi14:21:072:56:168:4912:37
9:17
+0:11
21M
21.00 mi14:30:583:06:078:529:51
9:51
+0:34
35K
21.75 mi14:37:313:12:408:526:33
8:45
-1:06
23M
23.00 mi14:49:043:24:138:5311:33
9:13
+0:28
24M
24.00 mi14:58:133:33:228:539:09
9:09
-0:04
40K
24.85 mi15:06:243:41:338:558:11
9:34
+0:25
25.2M
25.20 mi15:09:483:44:578:563:24
9:52
+0:18
Finish
26.22 mi15:18:353:53:448:558:47
8:37
-1:15

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

8:36 /mi

Average Pace

8:55 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:18

91% of race

Time at Steady Pace

21:26

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:51:4226:518:3926:51
8:39
#18492
10K
6.21 mi12:18:2453:338:3726:42
8:36
#18617
15K
9.32 mi12:45:201:20:298:3826:56
8:40
#18661
20K
12.43 mi13:12:371:47:468:4027:17
8:47
#18645
Half
13.11 mi13:18:381:53:478:416:01
8:49
#18693
25K
15.53 mi13:40:142:15:238:4321:36
8:55
#18658
30K
18.64 mi14:08:302:43:398:4728:16
9:06
#18447
20M
20.00 mi14:21:072:56:168:4912:37
9:17
#18414
21M
21.00 mi14:30:583:06:078:529:51
9:51
#18347
35K
21.75 mi14:37:313:12:408:526:33
8:45
#18264
23M
23.00 mi14:49:043:24:138:5311:33
9:13
#18202
24M
24.00 mi14:58:133:33:228:539:09
9:09
#18192
40K
24.85 mi15:06:243:41:338:558:11
9:34
#18216
25.2M
25.20 mi15:09:483:44:578:563:24
9:52
#18208
Finish
26.22 mi15:18:353:53:448:558:47
8:37
#18130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18492116051160518824(Top 71%)11810(Top 78%)11810(Top 223%)
10K6.21 mi3.10 mi18617-12511704-9911704-9918805(Top 71%)11821(Top 78%)11821(Top 224%)
15K9.32 mi3.11 mi18661-4411721-1711721-1718824(Top 71%)11810(Top 78%)11810(Top 223%)
20K12.43 mi3.11 mi18645+1611725-411725-418561(Top 70%)11715(Top 77%)11715(Top 222%)
Half13.11 mi0.68 mi18693-4811739-1411739-1419549(Top 73%)12112(Top 80%)12112(Top 229%)
25K15.53 mi2.42 mi18658+3511708+3111708+3118489(Top 69%)11628(Top 77%)11628(Top 220%)
30K18.64 mi3.11 mi18447+21111590+11811590+11817673(Top 66%)11202(Top 74%)11202(Top 212%)
20M20.00 mi1.36 mi18414+3311574+1611574+1617932(Top 67%)11203(Top 74%)11203(Top 212%)
21M21.00 mi1.00 mi18347+6711531+4311531+4317431(Top 65%)10966(Top 72%)10966(Top 207%)
35K21.75 mi0.75 mi18264+8311485+4611485+4616694(Top 63%)10580(Top 70%)10580(Top 200%)
23M23.00 mi1.25 mi18202+6211454+3111454+3117165(Top 64%)10768(Top 71%)10768(Top 204%)
24M24.00 mi1.00 mi18192+1011433+2111433+2117847(Top 67%)11001(Top 72%)11001(Top 208%)
40K24.85 mi0.85 mi18216-2411431+211431+218567(Top 70%)11289(Top 74%)11289(Top 214%)
25.2M25.20 mi0.35 mi18208+811422+911422+916775(Top 63%)10461(Top 69%)10461(Top 198%)
Finish26.22 mi1.02 mi18130+7811382+4011382+4016073(Top 60%)10202(Top 67%)10202(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18824

Males

11810

M18-39

11810

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18805

Males

11821

M18-39

11821

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18824

Males

11810

M18-39

11810

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18561

Males

11715

M18-39

11715

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19549

Males

12112

M18-39

12112

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

18489

Males

11628

M18-39

11628

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17673

Males

11202

M18-39

11202

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17932

Males

11203

M18-39

11203

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17431

Males

10966

M18-39

10966

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16694

Males

10580

M18-39

10580

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17165

Males

10768

M18-39

10768

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17847

Males

11001

M18-39

11001

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18567

Males

11289

M18-39

11289

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16775

Males

10461

M18-39

10461

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16073

Males

10202

M18-39

10202

Passing Analysis

Category:
Athletes Passed
1687
Passed By
1325
Net Change
+362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18492
5K → 10K276401-125#18492#18617
10K → 15K161205-44#18617#18661
15K → 20K168152+16#18661#18645
20K → Half1664-48#18645#18693
Half → 25K140105+35#18693#18658
25K → 30K28069+211#18658#18447
30K → 20M10269+33#18447#18414
20M → 21M12154+67#18414#18347
21M → 35K885+83#18347#18264
35K → 23M11048+62#18264#18202
23M → 24M5646+10#18202#18192
24M → 40K4367-24#18192#18216
40K → 25.2M2719+8#18216#18208
25.2M → Finish9921+78#18208#18130
TOTALS16871325+362
📊

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