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BOSTON MARATHON 2023

James Mullen

Bib: 12166•M

MI

Masters
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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 33%
Age Group (M50-54)
#0 / 2052
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:49
Rank: #11130
Start → 5K
23:49 | 7:40/mi
10K· 6.21 mi
47:29
Rank: #11265 (-135)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:10:22
Rank: #10490 (+775)
10K → 15K
22:53 | 7:22/mi
20K· 12.43 mi
1:33:23
Rank: #9952 (+538)
15K → 20K
23:01 | 7:25/mi
Half· 13.11 mi
1:38:22
Rank: #9876 (+76)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:56:18
Rank: #9526 (+350)
Half → 25K
17:56 | 7:24/mi
30K· 18.64 mi
2:19:46
Rank: #9139 (+387)
25K → 30K
23:28 | 7:33/mi
20M
2:29:58
Rank: #8934 (+205)
30K → 20M
10:12 | 7:30/mi
21M
2:37:53
Rank: #8789 (+145)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:43:27
Rank: #8747 (+42)
21M → 35K
5:34 | 7:26/mi
23M
2:53:02
Rank: #8643 (+104)
35K → 23M
9:35 | 7:39/mi
24M
3:00:30
Rank: #8564 (+79)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:06:54
Rank: #8463 (+101)
24M → 40K
6:24 | 7:29/mi
25.2M
3:09:36
Rank: #8389 (+74)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:16:53
Rank: #8260 (+129)
25.2M → Finish
7:17 | 7:09/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time1:38:22
Pace7:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:31
Pace7:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3923:497:4023:49
7:40
-
10K
6.21 mi11:15:1947:297:3923:40
7:37
-0:03
15K
9.32 mi11:38:121:10:227:3322:53
7:22
-0:15
20K
12.43 mi12:01:131:33:237:3123:01
7:25
+0:03
Half
13.11 mi12:06:121:38:227:304:59
7:18
-0:07
25K
15.53 mi12:24:081:56:187:2917:56
7:24
+0:06
30K
18.64 mi12:47:362:19:467:3023:28
7:33
+0:09
20M
20.00 mi12:57:482:29:587:3010:12
7:30
-0:03
21M
21.00 mi13:05:432:37:537:317:55
7:55
+0:25
35K
21.75 mi13:11:172:43:277:315:34
7:26
-0:29
23M
23.00 mi13:20:522:53:027:319:35
7:39
+0:13
24M
24.00 mi13:28:203:00:307:317:28
7:28
-0:11
40K
24.85 mi13:34:443:06:547:316:24
7:29
+0:01
25.2M
25.20 mi13:37:263:09:367:312:42
7:50
+0:21
Finish
26.22 mi13:44:433:16:537:317:17
7:09
-0:41

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:09 /mi

Average Pace

7:31 /mi

Slowest Pace

7:55 /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

3:08:58

96% of race

Time at Steady Pace

7:55

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:51:3923:497:4023:49
7:40
#11130
10K
6.21 mi11:15:1947:297:3923:40
7:37
#11265
15K
9.32 mi11:38:121:10:227:3322:53
7:22
#10490
20K
12.43 mi12:01:131:33:237:3123:01
7:25
#9952
Half
13.11 mi12:06:121:38:227:304:59
7:18
#9876
25K
15.53 mi12:24:081:56:187:2917:56
7:24
#9526
30K
18.64 mi12:47:362:19:467:3023:28
7:33
#9139
20M
20.00 mi12:57:482:29:587:3010:12
7:30
#8934
21M
21.00 mi13:05:432:37:537:317:55
7:55
#8789
35K
21.75 mi13:11:172:43:277:315:34
7:26
#8747
23M
23.00 mi13:20:522:53:027:319:35
7:39
#8643
24M
24.00 mi13:28:203:00:307:317:28
7:28
#8564
40K
24.85 mi13:34:443:06:547:316:24
7:29
#8463
25.2M
25.20 mi13:37:263:09:367:312:42
7:50
#8389
Finish
26.22 mi13:44:433:16:537:317:17
7:09
#8260
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11130871687169048(Top 34%)7564(Top 50%)7564(Top 369%)
10K6.21 mi3.10 mi11265-1358773-578773-5711462(Top 43%)8856(Top 58%)8856(Top 432%)
15K9.32 mi3.11 mi10490+7758417+3568417+3569048(Top 34%)7564(Top 50%)7564(Top 369%)
20K12.43 mi3.11 mi9952+5388121+2968121+2968573(Top 32%)7238(Top 48%)7238(Top 353%)
Half13.11 mi0.68 mi9876+768084+378084+378591(Top 32%)7255(Top 48%)7255(Top 354%)
25K15.53 mi2.42 mi9526+3507852+2327852+2327985(Top 30%)6796(Top 45%)6796(Top 331%)
30K18.64 mi3.11 mi9139+3877587+2657587+2657602(Top 29%)6454(Top 43%)6454(Top 315%)
20M20.00 mi1.36 mi8934+2057445+1427445+1426827(Top 26%)5867(Top 39%)5867(Top 286%)
21M21.00 mi1.00 mi8789+1457341+1047341+1046829(Top 26%)5763(Top 38%)5763(Top 281%)
35K21.75 mi0.75 mi8747+427301+407301+408060(Top 30%)6531(Top 43%)6531(Top 318%)
23M23.00 mi1.25 mi8643+1047208+937208+937446(Top 28%)6087(Top 40%)6087(Top 297%)
24M24.00 mi1.00 mi8564+797139+697139+697461(Top 28%)5986(Top 39%)5986(Top 292%)
40K24.85 mi0.85 mi8463+1017056+837056+836626(Top 25%)5414(Top 36%)5414(Top 264%)
25.2M25.20 mi0.35 mi8389+746998+586998+585567(Top 21%)4666(Top 31%)4666(Top 227%)
Finish26.22 mi1.02 mi8260+1296896+1026896+1026095(Top 23%)5002(Top 33%)5002(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9048

Males

7564

M50-54

7564

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11462

Males

8856

M50-54

8856

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9048

Males

7564

M50-54

7564

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8573

Males

7238

M50-54

7238

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8591

Males

7255

M50-54

7255

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7985

Males

6796

M50-54

6796

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7602

Males

6454

M50-54

6454

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6827

Males

5867

M50-54

5867

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6829

Males

5763

M50-54

5763

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8060

Males

6531

M50-54

6531

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7446

Males

6087

M50-54

6087

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7461

Males

5986

M50-54

5986

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6626

Males

5414

M50-54

5414

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5567

Males

4666

M50-54

4666

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6095

Males

5002

M50-54

5002

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3424*
Passed By
554
Net Change
+2870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11130
5K → 10K232367-135#11130#11265
10K → 15K78914+775#11265#10490
15K → 20K549*11+538#10490#9952
20K → Half793+76#9952#9876
Half → 25K3544+350#9876#9526
25K → 30K410*23+387#9526#9139
30K → 20M2116+205#9139#8934
20M → 21M16419+145#8934#8789
21M → 35K6321+42#8789#8747
35K → 23M12824+104#8747#8643
23M → 24M11132+79#8643#8564
24M → 40K11413+101#8564#8463
40K → 25.2M762+74#8463#8389
25.2M → Finish14415+129#8389#8260
TOTALS3424*554+2870

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing