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BOSTON MARATHON 2023

Aaron Kauffman

Bib: 4937•M

VA

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 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #2632
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
40:41
Rank: #2787 (-155)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:01:01
Rank: #2809 (-22)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:21:26
Rank: #2758 (+51)
15K → 20K
20:25 | 6:34/mi
Half· 13.11 mi
1:25:52
Rank: #2755 (+3)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:50
Rank: #2717 (+38)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:02:42
Rank: #2655 (+62)
25K → 30K
20:52 | 6:43/mi
20M
2:11:52
Rank: #2613 (+42)
30K → 20M
9:10 | 6:45/mi
21M
2:18:55
Rank: #2561 (+52)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:23:53
Rank: #2550 (+11)
21M → 35K
4:58 | 6:38/mi
23M
2:32:36
Rank: #2557 (-7)
35K → 23M
8:43 | 6:58/mi
24M
2:39:21
Rank: #2561 (-4)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:45:22
Rank: #2620 (-59)
24M → 40K
6:01 | 7:02/mi
25.2M
2:47:58
Rank: #2639 (-19)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:55:01
Rank: #2699 (-60)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:52
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:29:09
Pace6:48 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1020:236:3420:23
6:34
-
10K
6.21 mi10:42:2840:416:3320:18
6:32
-0:02
15K
9.32 mi11:02:481:01:016:3320:20
6:33
+0:01
20K
12.43 mi11:23:131:21:266:3320:25
6:34
+0:01
Half
13.11 mi11:27:391:25:526:334:26
6:30
-0:04
25K
15.53 mi11:43:371:41:506:3315:58
6:35
+0:05
30K
18.64 mi12:04:292:02:426:3520:52
6:43
+0:08
20M
20.00 mi12:13:392:11:526:369:10
6:45
+0:02
21M
21.00 mi12:20:422:18:556:377:03
7:03
+0:18
35K
21.75 mi12:25:402:23:536:374:58
6:38
-0:25
23M
23.00 mi12:34:232:32:366:388:43
6:58
+0:20
24M
24.00 mi12:41:082:39:216:386:45
6:45
-0:13
40K
24.85 mi12:47:092:45:226:396:01
7:02
+0:17
25.2M
25.20 mi12:49:452:47:586:402:36
7:32
+0:30
Finish
26.22 mi12:56:482:55:016:417:03
6:55
-0:37

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

6:30 /mi

Average Pace

6:41 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:25

99% of race

Time at Steady Pace

2:36

1% of race

Time at Slower Pace

0:00

0% 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 mi10:22:1020:236:3420:23
6:34
#2632
10K
6.21 mi10:42:2840:416:3320:18
6:32
#2787
15K
9.32 mi11:02:481:01:016:3320:20
6:33
#2809
20K
12.43 mi11:23:131:21:266:3320:25
6:34
#2758
Half
13.11 mi11:27:391:25:526:334:26
6:30
#2755
25K
15.53 mi11:43:371:41:506:3315:58
6:35
#2717
30K
18.64 mi12:04:292:02:426:3520:52
6:43
#2655
20M
20.00 mi12:13:392:11:526:369:10
6:45
#2613
21M
21.00 mi12:20:422:18:556:377:03
7:03
#2561
35K
21.75 mi12:25:402:23:536:374:58
6:38
#2550
23M
23.00 mi12:34:232:32:366:388:43
6:58
#2557
24M
24.00 mi12:41:082:39:216:386:45
6:45
#2561
40K
24.85 mi12:47:092:45:226:396:01
7:02
#2620
25.2M
25.20 mi12:49:452:47:586:402:36
7:32
#2639
Finish
26.22 mi12:56:482:55:016:417:03
6:55
#2699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2632250625062913(Top 11%)2784(Top 18%)2784(Top 124%)
10K6.21 mi3.10 mi2787-1552657-1512657-1513016(Top 11%)2877(Top 19%)2877(Top 128%)
15K9.32 mi3.11 mi2809-222681-242681-242913(Top 11%)2784(Top 18%)2784(Top 124%)
20K12.43 mi3.11 mi2758+512636+452636+452682(Top 10%)2565(Top 17%)2565(Top 114%)
Half13.11 mi0.68 mi2755+32634+22634+22863(Top 11%)2738(Top 18%)2738(Top 122%)
25K15.53 mi2.42 mi2717+382594+402594+402645(Top 10%)2532(Top 17%)2532(Top 113%)
30K18.64 mi3.11 mi2655+622535+592535+592501(Top 9%)2378(Top 16%)2378(Top 106%)
20M20.00 mi1.36 mi2613+422496+392496+392534(Top 10%)2401(Top 16%)2401(Top 107%)
21M21.00 mi1.00 mi2561+522450+462450+462423(Top 9%)2286(Top 15%)2286(Top 102%)
35K21.75 mi0.75 mi2550+112439+112439+113284(Top 12%)3055(Top 20%)3055(Top 136%)
23M23.00 mi1.25 mi2557-72445-62445-63619(Top 14%)3343(Top 22%)3343(Top 149%)
24M24.00 mi1.00 mi2561-42447-22447-23423(Top 13%)3149(Top 21%)3149(Top 141%)
40K24.85 mi0.85 mi2620-592501-542501-544086(Top 15%)3647(Top 24%)3647(Top 163%)
25.2M25.20 mi0.35 mi2639-192518-172518-174202(Top 16%)3675(Top 24%)3675(Top 164%)
Finish26.22 mi1.02 mi2699-602568-502568-504790(Top 18%)4113(Top 27%)4113(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2913

Males

2784

M40-44

2784

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3016

Males

2877

M40-44

2877

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2913

Males

2784

M40-44

2784

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2682

Males

2565

M40-44

2565

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2863

Males

2738

M40-44

2738

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2645

Males

2532

M40-44

2532

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2501

Males

2378

M40-44

2378

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2534

Males

2401

M40-44

2401

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2423

Males

2286

M40-44

2286

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3284

Males

3055

M40-44

3055

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3619

Males

3343

M40-44

3343

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3423

Males

3149

M40-44

3149

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4086

Males

3647

M40-44

3647

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4202

Males

3675

M40-44

3675

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4790

Males

4113

M40-44

4113

Passing Analysis

Category:
Athletes Passed
733
Passed By
800
Net Change
-67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2632
5K → 10K93248-155#2632#2787
10K → 15K81103-22#2787#2809
15K → 20K9241+51#2809#2758
20K → Half1815+3#2758#2755
Half → 25K7032+38#2755#2717
25K → 30K10341+62#2717#2655
30K → 20M6624+42#2655#2613
20M → 21M6715+52#2613#2561
21M → 35K2211+11#2561#2550
35K → 23M4451-7#2550#2557
23M → 24M3034-4#2557#2561
24M → 40K2180-59#2561#2620
40K → 25.2M625-19#2620#2639
25.2M → Finish2080-60#2639#2699
TOTALS733800-67
📊

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