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BOSTON MARATHON 2023

Nathan Adams

Bib: 8106•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
6:58/mi
21:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
45:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:08:17
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:31:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:36:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:55:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:20:46
↑ 181↓ 1480.2%
20M
8:12/mi
2:31:54
↑ 64↓ 500.2%
21M
9:11/mi
2:41:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
2:47:37
↑ 17↓ 861.7%
23M
8:53/mi
2:58:44
↑ 23↓ 630.6%
24M
8:37/mi
3:07:21
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:15:18
↓ 200.3%
25.2M
10:03/mi
3:18:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:27:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0221:406:5821:40
6:58
-
10K
6.21 mi11:11:0945:477:2224:07
7:46
+0:48
15K
9.32 mi11:33:391:08:177:2022:30
7:15
-0:31
20K
12.43 mi11:57:191:31:577:2423:40
7:37
+0:22
Half
13.11 mi12:02:201:36:587:245:01
7:21
-0:16
25K
15.53 mi12:20:471:55:257:2618:27
7:37
+0:16
30K
18.64 mi12:46:082:20:467:3325:21
8:10
+0:33
20M
20.00 mi12:57:162:31:547:3611:08
8:12
+0:02
21M
21.00 mi13:06:272:41:057:409:11
9:11
+0:59
35K
21.75 mi13:12:592:47:377:426:32
8:44
-0:27
23M
23.00 mi13:24:062:58:447:4611:07
8:53
+0:09
24M
24.00 mi13:32:433:07:217:488:37
8:37
-0:16
40K
24.85 mi13:40:403:15:187:517:57
9:18
+0:41
25.2M
25.20 mi13:44:083:18:467:533:28
10:03
+0:45
Finish
26.22 mi13:52:303:27:087:548:22
8:13
-1:50

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

6:58 /mi

Average Pace

7:54 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:25

56% of race

Time at Steady Pace

53:28

26% of race

Time at Slower Pace

38:15

18% of race

Average Pace: 7:54 /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 mi10:47:0221:406:5821:40
6:58
#6108
10K
6.21 mi11:11:0945:477:2224:07
7:46
#8951
15K
9.32 mi11:33:391:08:177:2022:30
7:15
#8657
20K
12.43 mi11:57:191:31:577:2423:40
7:37
#8998
Half
13.11 mi12:02:201:36:587:245:01
7:21
#8999
25K
15.53 mi12:20:471:55:257:2618:27
7:37
#9057
30K
18.64 mi12:46:082:20:467:3325:21
8:10
#9598
20M
20.00 mi12:57:162:31:547:3611:08
8:12
#9702
21M
21.00 mi13:06:272:41:057:409:11
9:11
#9985
35K
21.75 mi13:12:592:47:377:426:32
8:44
#10259
23M
23.00 mi13:24:062:58:447:4611:07
8:53
#10573
24M
24.00 mi13:32:433:07:217:488:37
8:37
#10781
40K
24.85 mi13:40:403:15:187:517:57
9:18
#11095
25.2M
25.20 mi13:44:083:18:467:533:28
10:03
#11245
Finish
26.22 mi13:52:303:27:087:548:22
8:13
#11339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6108557955798101(Top 30%)6988(Top 46%)6988(Top 132%)
10K6.21 mi3.10 mi8951-28437550-19717550-197112776(Top 48%)9457(Top 62%)9457(Top 179%)
15K9.32 mi3.11 mi8657+2947365+1857365+1858101(Top 30%)6988(Top 46%)6988(Top 132%)
20K12.43 mi3.11 mi8998-3417547-1827547-18210216(Top 38%)8195(Top 54%)8195(Top 155%)
Half13.11 mi0.68 mi8999-17546+17546+19034(Top 34%)7550(Top 50%)7550(Top 143%)
25K15.53 mi2.42 mi9057-587580-347580-349621(Top 36%)7781(Top 51%)7781(Top 147%)
30K18.64 mi3.11 mi9598-5417871-2917871-29112052(Top 45%)8822(Top 58%)8822(Top 167%)
20M20.00 mi1.36 mi9702-1047896-257896-2511633(Top 44%)8538(Top 56%)8538(Top 162%)
21M21.00 mi1.00 mi9985-2838031-1358031-13514362(Top 54%)9644(Top 64%)9644(Top 182%)
35K21.75 mi0.75 mi10259-2748155-1248155-12416539(Top 62%)10491(Top 69%)10491(Top 199%)
23M23.00 mi1.25 mi10573-3148268-1138268-11315398(Top 58%)9977(Top 66%)9977(Top 189%)
24M24.00 mi1.00 mi10781-2088354-868354-8615127(Top 57%)9799(Top 65%)9799(Top 185%)
40K24.85 mi0.85 mi11095-3148481-1278481-12717480(Top 66%)10778(Top 71%)10778(Top 204%)
25.2M25.20 mi0.35 mi11245-1508535-548535-5417513(Top 66%)10770(Top 71%)10770(Top 204%)
Finish26.22 mi1.02 mi11339-948562-278562-2713462(Top 51%)8994(Top 59%)8994(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8101

Males

6988

M18-39

6988

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12776

Males

9457

M18-39

9457

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8101

Males

6988

M18-39

6988

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10216

Males

8195

M18-39

8195

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9034

Males

7550

M18-39

7550

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9621

Males

7781

M18-39

7781

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12052

Males

8822

M18-39

8822

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11633

Males

8538

M18-39

8538

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14362

Males

9644

M18-39

9644

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16539

Males

10491

M18-39

10491

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15398

Males

9977

M18-39

9977

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15127

Males

9799

M18-39

9799

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17480

Males

10778

M18-39

10778

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17513

Males

10770

M18-39

10770

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13462

Males

8994

M18-39

8994

Passing Analysis

Category:
Athletes Passed
768
Passed By
5996
Net Change
-5231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6108
5K → 10K22845-2843#6108#8951
10K → 15K32935+294#8951#8657
15K → 20K50391-341#8657#8998
20K → Half2728-1#8998#8999
Half → 25K87145-58#8999#9057
25K → 30K56597-541#9057#9598
30K → 20M62166-104#9598#9702
20M → 21M19301-283#9702#9985
21M → 35K10282-274#9985#10259
35K → 23M28342-314#10259#10573
23M → 24M25233-208#10573#10781
24M → 40K17331-314#10781#11095
40K → 25.2M7157-150#11095#11245
25.2M → Finish49143-94#11245#11339
TOTALS7685996-5231
📊

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