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BOSTON MARATHON 2023

Jeff Altman

Bib: 10425•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #8728
Start → 5K
22:57 | 7:23/mi
10K· 6.21 mi
45:41
Rank: #8829 (-101)
5K → 10K
22:44 | 7:19/mi
15K· 9.32 mi
1:08:33
Rank: #8873 (-44)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:31:26
Rank: #8678 (+195)
15K → 20K
22:53 | 7:22/mi
Half· 13.11 mi
1:36:26
Rank: #8678
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:54:34
Rank: #8640 (+38)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:19:24
Rank: #8992 (-352)
25K → 30K
24:50 | 8:00/mi
20M
2:31:56
Rank: #9711 (-719)
30K → 20M
12:32 | 9:13/mi
21M
2:42:44
Rank: #10610 (-899)
20M → 21M
10:48 | 10:48/mi
35K· 21.75 mi
2:49:31
Rank: #10933 (-323)
21M → 35K
6:47 | 9:04/mi
23M
3:01:11
Rank: #11454 (-521)
35K → 23M
11:40 | 9:19/mi
24M
3:10:00
Rank: #11719 (-265)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:18:20
Rank: #12121 (-402)
24M → 40K
8:20 | 9:45/mi
25.2M
3:21:48
Rank: #12247 (-126)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:31:07
Rank: #12570 (-323)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:26
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:54:41
Pace8:45 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1822:577:2322:57
7:23
-
10K
6.21 mi11:12:0245:417:2122:44
7:19
-0:04
15K
9.32 mi11:34:541:08:337:2122:52
7:22
+0:03
20K
12.43 mi11:57:471:31:267:2122:53
7:22
0:00
Half
13.11 mi12:02:471:36:267:215:00
7:20
-0:02
25K
15.53 mi12:20:551:54:347:2318:08
7:29
+0:09
30K
18.64 mi12:45:452:19:247:2924:50
8:00
+0:31
20M
20.00 mi12:58:172:31:567:3612:32
9:13
+1:13
21M
21.00 mi13:09:052:42:447:4510:48
10:48
+1:35
35K
21.75 mi13:15:522:49:317:486:47
9:04
-1:44
23M
23.00 mi13:27:323:01:117:5311:40
9:19
+0:15
24M
24.00 mi13:36:213:10:007:558:49
8:49
-0:30
40K
24.85 mi13:44:413:18:207:598:20
9:45
+0:56
25.2M
25.20 mi13:48:093:21:488:003:28
10:03
+0:18
Finish
26.22 mi13:57:283:31:078:039:19
9:09
-0:54

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

7:19 /mi

Average Pace

8:03 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:24

66% of race

Time at Steady Pace

49:07

23% of race

Time at Slower Pace

22:36

11% of race

Average Pace: 8:03 /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 mi10:49:1822:577:2322:57
7:23
#8728
10K
6.21 mi11:12:0245:417:2122:44
7:19
#8829
15K
9.32 mi11:34:541:08:337:2122:52
7:22
#8873
20K
12.43 mi11:57:471:31:267:2122:53
7:22
#8678
Half
13.11 mi12:02:471:36:267:215:00
7:20
#8678
25K
15.53 mi12:20:551:54:347:2318:08
7:29
#8640
30K
18.64 mi12:45:452:19:247:2924:50
8:00
#8992
20M
20.00 mi12:58:172:31:567:3612:32
9:13
#9711
21M
21.00 mi13:09:052:42:447:4510:48
10:48
#10610
35K
21.75 mi13:15:522:49:317:486:47
9:04
#10933
23M
23.00 mi13:27:323:01:117:5311:40
9:19
#11454
24M
24.00 mi13:36:213:10:007:558:49
8:49
#11719
40K
24.85 mi13:44:413:18:207:598:20
9:45
#12121
25.2M
25.20 mi13:48:093:21:488:003:28
10:03
#12247
Finish
26.22 mi13:57:283:31:078:039:19
9:09
#12570
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8728743774379020(Top 34%)7555(Top 50%)7555(Top 368%)
10K6.21 mi3.10 mi8829-1017479-427479-428979(Top 34%)7574(Top 50%)7574(Top 369%)
15K9.32 mi3.11 mi8873-447489-107489-109020(Top 34%)7555(Top 50%)7555(Top 368%)
20K12.43 mi3.11 mi8678+1957360+1297360+1298263(Top 31%)7055(Top 46%)7055(Top 344%)
Half13.11 mi0.68 mi8678736073608838(Top 33%)7429(Top 49%)7429(Top 362%)
25K15.53 mi2.42 mi8640+387320+407320+408623(Top 32%)7226(Top 48%)7226(Top 352%)
30K18.64 mi3.11 mi8992-3527500-1807500-18010845(Top 41%)8271(Top 55%)8271(Top 403%)
20M20.00 mi1.36 mi9711-7197901-4017901-40117639(Top 66%)11069(Top 73%)11069(Top 539%)
21M21.00 mi1.00 mi10610-8998341-4408341-44020362(Top 76%)12213(Top 80%)12213(Top 595%)
35K21.75 mi0.75 mi10933-3238476-1358476-13518127(Top 68%)11190(Top 74%)11190(Top 545%)
23M23.00 mi1.25 mi11454-5218694-2188694-21817576(Top 66%)10931(Top 72%)10931(Top 533%)
24M24.00 mi1.00 mi11719-2658797-1038797-10316252(Top 61%)10276(Top 68%)10276(Top 501%)
40K24.85 mi0.85 mi12121-4028935-1388935-13819160(Top 72%)11557(Top 76%)11557(Top 563%)
25.2M25.20 mi0.35 mi12247-1268990-558990-5517517(Top 66%)10774(Top 71%)10774(Top 525%)
Finish26.22 mi1.02 mi12570-3239107-1179107-11718622(Top 70%)11355(Top 75%)11355(Top 553%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9020

Males

7555

M50-54

7555

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8979

Males

7574

M50-54

7574

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9020

Males

7555

M50-54

7555

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8263

Males

7055

M50-54

7055

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8838

Males

7429

M50-54

7429

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8623

Males

7226

M50-54

7226

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10845

Males

8271

M50-54

8271

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17639

Males

11069

M50-54

11069

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20362

Males

12213

M50-54

12213

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18127

Males

11190

M50-54

11190

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17576

Males

10931

M50-54

10931

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16252

Males

10276

M50-54

10276

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19160

Males

11557

M50-54

11557

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17517

Males

10774

M50-54

10774

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18622

Males

11355

M50-54

11355

Passing Analysis

Category:
Athletes Passed
889
Passed By
4729
Net Change
-3842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8728
5K → 10K218319-101#8728#8829
10K → 15K126170-44#8829#8873
15K → 20K23540+195#8873#8678
20K → Half24240#8678#8678
Half → 25K11072+38#8678#8640
25K → 30K83435-352#8640#8992
30K → 20M11730-719#8992#9711
20M → 21M2899-899#9711#10610
21M → 35K11334-323#10610#10933
35K → 23M19540-521#10933#11454
23M → 24M16281-265#11454#11719
24M → 40K13415-402#11719#12121
40K → 25.2M6132-126#12121#12247
25.2M → Finish15338-323#12247#12570
TOTALS8894729-3842
📊

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