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BOSTON MARATHON 2023

Thomas Adler

Bib: 15296•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:49/mi
33:36
↑ 97↓ 3451.5%
10K· 6.21 mi
10:46/mi
1:07:04
↑ 79↓ 1380.4%
15K· 9.32 mi
10:18/mi
1:39:03
↑ 67↓ 78
20K· 12.43 mi
10:34/mi
2:11:54
↑ 106↓ 860.1%
Half· 13.11 mi
10:46/mi
2:19:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:22/mi
2:44:22
↑ 66↓ 880.2%
30K· 18.64 mi
10:33/mi
3:17:10
↑ 181↓ 1480.2%
20M
10:43/mi
3:31:44
↑ 64↓ 500.2%
21M
10:59/mi
3:42:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:49:57
↑ 17↓ 861.7%
23M
10:03/mi
4:02:32
↑ 23↓ 630.6%
24M
10:12/mi
4:12:44
↓ 821.3%
40K· 24.85 mi
10:19/mi
4:21:33
↓ 200.3%
25.2M
10:47/mi
4:25:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:32/mi
4:34:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:19:15
Pace10:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:15:44
Pace10:21 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:4033:3610:4933:36
10:49
-
10K
6.21 mi11:37:081:07:0410:4833:28
10:46
-0:03
15K
9.32 mi12:09:071:39:0310:3831:59
10:18
-0:28
20K
12.43 mi12:41:582:11:5410:3732:51
10:34
+0:16
Half
13.11 mi12:49:192:19:1510:377:21
10:46
+0:12
25K
15.53 mi13:14:262:44:2210:3525:07
10:22
-0:24
30K
18.64 mi13:47:143:17:1010:3532:48
10:33
+0:11
20M
20.00 mi14:01:483:31:4410:3514:34
10:43
+0:10
21M
21.00 mi14:12:473:42:4310:3610:59
10:59
+0:16
35K
21.75 mi14:20:013:49:5710:347:14
9:40
-1:19
23M
23.00 mi14:32:364:02:3210:3312:35
10:03
+0:23
24M
24.00 mi14:42:484:12:4410:3210:12
10:12
+0:09
40K
24.85 mi14:51:374:21:3310:318:49
10:19
+0:07
25.2M
25.20 mi14:55:204:25:1610:323:43
10:47
+0:28
Finish
26.22 mi15:05:034:34:5910:309:43
9:32
-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

9:32 /mi

Average Pace

10:30 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:39

38% of race

Time at Steady Pace

2:49:20

62% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:29 /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 mi11:03:4033:3610:4933:36
10:49
#25385
10K
6.21 mi11:37:081:07:0410:4833:28
10:46
#25256
15K
9.32 mi12:09:071:39:0310:3831:59
10:18
#24851
20K
12.43 mi12:41:582:11:5410:3732:51
10:34
#24621
Half
13.11 mi12:49:192:19:1510:377:21
10:46
#24628
25K
15.53 mi13:14:262:44:2210:3525:07
10:22
#24319
30K
18.64 mi13:47:143:17:1010:3532:48
10:33
#23954
20M
20.00 mi14:01:483:31:4410:3514:34
10:43
#23832
21M
21.00 mi14:12:473:42:4310:3610:59
10:59
#23667
35K
21.75 mi14:20:013:49:5710:347:14
9:40
#23583
23M
23.00 mi14:32:364:02:3210:3312:35
10:03
#23437
24M
24.00 mi14:42:484:12:4410:3210:12
10:12
#23352
40K
24.85 mi14:51:374:21:3310:318:49
10:19
#23272
25.2M
25.20 mi14:55:204:25:1610:323:43
10:47
#23211
Finish
26.22 mi15:05:034:34:5910:309:43
9:32
#23113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi25385146961469624081(Top 90%)14122(Top 93%)14122(Top 6630%)
10K6.21 mi3.10 mi25256+12914657+3914657+3925120(Top 94%)14589(Top 96%)14589(Top 6849%)
15K9.32 mi3.11 mi24851+40514467+19014467+19024081(Top 90%)14122(Top 93%)14122(Top 6630%)
20K12.43 mi3.11 mi24621+23014353+11414353+11423965(Top 90%)14058(Top 93%)14058(Top 6600%)
Half13.11 mi0.68 mi24628-714355-214355-224616(Top 92%)14317(Top 94%)14317(Top 6722%)
25K15.53 mi2.42 mi24319+30914207+14814207+14822941(Top 86%)13559(Top 89%)13559(Top 6366%)
30K18.64 mi3.11 mi23954+36514041+16614041+16622328(Top 84%)13217(Top 87%)13217(Top 6205%)
20M20.00 mi1.36 mi23832+12213978+6313978+6322194(Top 83%)13083(Top 86%)13083(Top 6142%)
21M21.00 mi1.00 mi23667+16513892+8613892+8620802(Top 78%)12431(Top 82%)12431(Top 5836%)
35K21.75 mi0.75 mi23583+8413847+4513847+4520371(Top 77%)12203(Top 80%)12203(Top 5729%)
23M23.00 mi1.25 mi23437+14613767+8013767+8020132(Top 76%)12081(Top 80%)12081(Top 5672%)
24M24.00 mi1.00 mi23352+8513714+5313714+5321329(Top 80%)12569(Top 83%)12569(Top 5901%)
40K24.85 mi0.85 mi23272+8013673+4113673+4120775(Top 78%)12279(Top 81%)12279(Top 5765%)
25.2M25.20 mi0.35 mi23211+6113637+3613637+3619909(Top 75%)11888(Top 78%)11888(Top 5581%)
Finish26.22 mi1.02 mi23113+9813583+5413583+5420248(Top 76%)12083(Top 80%)12083(Top 5673%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

24081

Males

14122

M70-74

14122

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25120

Males

14589

M70-74

14589

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

24081

Males

14122

M70-74

14122

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23965

Males

14058

M70-74

14058

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24616

Males

14317

M70-74

14317

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22941

Males

13559

M70-74

13559

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22328

Males

13217

M70-74

13217

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22194

Males

13083

M70-74

13083

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20802

Males

12431

M70-74

12431

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20371

Males

12203

M70-74

12203

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20132

Males

12081

M70-74

12081

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21329

Males

12569

M70-74

12569

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20775

Males

12279

M70-74

12279

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19909

Males

11888

M70-74

11888

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20248

Males

12083

M70-74

12083

Passing Analysis

Category:
Athletes Passed
2453
Passed By
181
Net Change
+2272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25385
5K → 10K234105+129#25385#25256
10K → 15K4105+405#25256#24851
15K → 20K24818+230#24851#24621
20K → Half2027-7#24621#24628
Half → 25K3112+309#24628#24319
25K → 30K3694+365#24319#23954
30K → 20M1264+122#23954#23832
20M → 21M1672+165#23832#23667
21M → 35K851+84#23667#23583
35K → 23M1460+146#23583#23437
23M → 24M916+85#23437#23352
24M → 40K844+80#23352#23272
40K → 25.2M632+61#23272#23211
25.2M → Finish991+98#23211#23113
TOTALS2453181+2272
📊

Passing Visuals

Category:
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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