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BOSTON MARATHON 2023

Joshua Singsaas

Bib: 2372•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #3603
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:12
Rank: #3397 (+206)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:31
Rank: #3200 (+197)
10K → 15K
20:19 | 6:32/mi
20K· 12.43 mi
1:22:04
Rank: #3117 (+83)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:30
Rank: #3090 (+27)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:27
Rank: #2964 (+126)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:03:25
Rank: #2863 (+101)
25K → 30K
20:58 | 6:45/mi
20M
2:12:30
Rank: #2779 (+84)
30K → 20M
9:05 | 6:41/mi
21M
2:19:30
Rank: #2701 (+78)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:24:23
Rank: #2673 (+28)
21M → 35K
4:53 | 6:32/mi
23M
2:32:47
Rank: #2606 (+67)
35K → 23M
8:24 | 6:43/mi
24M
2:39:31
Rank: #2617 (-11)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:45:40
Rank: #2686 (-69)
24M → 40K
6:09 | 7:12/mi
25.2M
2:48:21
Rank: #2730 (-44)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:54:54
Rank: #2673 (+57)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:30
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:28:24
Pace6:45 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4820:476:4120:47
6:41
-
10K
6.21 mi10:42:1341:126:3820:25
6:34
-0:07
15K
9.32 mi11:02:321:01:316:3620:19
6:32
-0:02
20K
12.43 mi11:23:051:22:046:3620:33
6:37
+0:05
Half
13.11 mi11:27:311:26:306:364:26
6:30
-0:07
25K
15.53 mi11:43:281:42:276:3615:57
6:35
+0:05
30K
18.64 mi12:04:262:03:256:3720:58
6:45
+0:10
20M
20.00 mi12:13:312:12:306:379:05
6:41
-0:04
21M
21.00 mi12:20:312:19:306:397:00
7:00
+0:19
35K
21.75 mi12:25:242:24:236:384:53
6:32
-0:28
23M
23.00 mi12:33:482:32:476:398:24
6:43
+0:11
24M
24.00 mi12:40:322:39:316:396:44
6:44
+0:01
40K
24.85 mi12:46:412:45:406:406:09
7:12
+0:28
25.2M
25.20 mi12:49:222:48:216:412:41
7:47
+0:35
Finish
26.22 mi12:55:552:54:546:416:33
6:26
-1:21

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

6:26 /mi

Average Pace

6:41 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:59

6% of race

Time at Steady Pace

2:28:05

85% of race

Time at Slower Pace

15:50

9% of race

Average Pace: 6:40 /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 mi10:21:4820:476:4120:47
6:41
#3603
10K
6.21 mi10:42:1341:126:3820:25
6:34
#3397
15K
9.32 mi11:02:321:01:316:3620:19
6:32
#3200
20K
12.43 mi11:23:051:22:046:3620:33
6:37
#3117
Half
13.11 mi11:27:311:26:306:364:26
6:30
#3090
25K
15.53 mi11:43:281:42:276:3615:57
6:35
#2964
30K
18.64 mi12:04:262:03:256:3720:58
6:45
#2863
20M
20.00 mi12:13:312:12:306:379:05
6:41
#2779
21M
21.00 mi12:20:312:19:306:397:00
7:00
#2701
35K
21.75 mi12:25:242:24:236:384:53
6:32
#2673
23M
23.00 mi12:33:482:32:476:398:24
6:43
#2606
24M
24.00 mi12:40:322:39:316:396:44
6:44
#2617
40K
24.85 mi12:46:412:45:406:406:09
7:12
#2686
25.2M
25.20 mi12:49:222:48:216:412:41
7:47
#2730
Finish
26.22 mi12:55:552:54:546:416:33
6:26
#2673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3603339333932887(Top 11%)2759(Top 18%)2759(Top 123%)
10K6.21 mi3.10 mi3397+2063212+1813212+1813309(Top 12%)3148(Top 21%)3148(Top 140%)
15K9.32 mi3.11 mi3200+1973046+1663046+1662887(Top 11%)2759(Top 18%)2759(Top 123%)
20K12.43 mi3.11 mi3117+832969+772969+772966(Top 11%)2825(Top 19%)2825(Top 126%)
Half13.11 mi0.68 mi3090+272945+242945+242861(Top 11%)2736(Top 18%)2736(Top 122%)
25K15.53 mi2.42 mi2964+1262831+1142831+1142599(Top 10%)2487(Top 16%)2487(Top 111%)
30K18.64 mi3.11 mi2863+1012738+932738+932694(Top 10%)2558(Top 17%)2558(Top 114%)
20M20.00 mi1.36 mi2779+842655+832655+832232(Top 8%)2121(Top 14%)2121(Top 95%)
21M21.00 mi1.00 mi2701+782581+742581+742170(Top 8%)2048(Top 13%)2048(Top 91%)
35K21.75 mi0.75 mi2673+282556+252556+252639(Top 10%)2482(Top 16%)2482(Top 111%)
23M23.00 mi1.25 mi2606+672492+642492+642233(Top 8%)2104(Top 14%)2104(Top 94%)
24M24.00 mi1.00 mi2617-112501-92501-93333(Top 13%)3071(Top 20%)3071(Top 137%)
40K24.85 mi0.85 mi2686-692562-612562-614901(Top 18%)4268(Top 28%)4268(Top 190%)
25.2M25.20 mi0.35 mi2730-442595-332595-335408(Top 20%)4507(Top 30%)4507(Top 201%)
Finish26.22 mi1.02 mi2673+572546+492546+492176(Top 8%)2016(Top 13%)2016(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2887

Males

2759

M40-44

2759

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3309

Males

3148

M40-44

3148

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2887

Males

2759

M40-44

2759

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2966

Males

2825

M40-44

2825

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2861

Males

2736

M40-44

2736

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2599

Males

2487

M40-44

2487

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2694

Males

2558

M40-44

2558

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2232

Males

2121

M40-44

2121

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2170

Males

2048

M40-44

2048

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2639

Males

2482

M40-44

2482

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2233

Males

2104

M40-44

2104

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3333

Males

3071

M40-44

3071

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4901

Males

4268

M40-44

4268

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5408

Males

4507

M40-44

4507

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2176

Males

2016

M40-44

2016

Passing Analysis

Category:
Athletes Passed
1381
Passed By
451
Net Change
+930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3603
5K → 10K30397+206#3603#3397
10K → 15K22427+197#3397#3200
15K → 20K12946+83#3200#3117
20K → Half336+27#3117#3090
Half → 25K13913+126#3090#2964
25K → 30K13130+101#2964#2863
30K → 20M873+84#2863#2779
20M → 21M8911+78#2779#2701
21M → 35K368+28#2701#2673
35K → 23M8215+67#2673#2606
23M → 24M4051-11#2606#2617
24M → 40K1685-69#2617#2686
40K → 25.2M347-44#2686#2730
25.2M → Finish6912+57#2730#2673
TOTALS1381451+930
📊

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