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BOSTON MARATHON 2023

Dan Adams

Bib: 12686•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M50-54)
#0 / 2052
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #9894
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:40
Rank: #10120 (-226)
5K → 10K
23:16 | 7:29/mi
15K· 9.32 mi
1:09:46
Rank: #9900 (+220)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:32:50
Rank: #9564 (+336)
15K → 20K
23:04 | 7:25/mi
Half· 13.11 mi
1:37:49
Rank: #9522 (+42)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:54
Rank: #9316 (+206)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:19:50
Rank: #9169 (+147)
25K → 30K
23:56 | 7:42/mi
20M
2:30:26
Rank: #9120 (+49)
30K → 20M
10:36 | 7:48/mi
21M
2:38:33
Rank: #9030 (+90)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:44:15
Rank: #9029 (+1)
21M → 35K
5:42 | 7:37/mi
23M
2:54:06
Rank: #8995 (+34)
35K → 23M
9:51 | 7:52/mi
24M
3:01:45
Rank: #8967 (+28)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:08:28
Rank: #8940 (+27)
24M → 40K
6:43 | 7:51/mi
25.2M
3:11:26
Rank: #8956 (-16)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:19:24
Rank: #9011 (-55)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:49
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:41:35
Pace7:45 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1423:247:3223:24
7:32
-
10K
6.21 mi11:14:3046:407:3123:16
7:29
-0:03
15K
9.32 mi11:37:361:09:467:2923:06
7:26
-0:03
20K
12.43 mi12:00:401:32:507:2823:04
7:25
-0:01
Half
13.11 mi12:05:391:37:497:284:59
7:18
-0:07
25K
15.53 mi12:23:441:55:547:2818:05
7:27
+0:09
30K
18.64 mi12:47:402:19:507:3023:56
7:42
+0:15
20M
20.00 mi12:58:162:30:267:3110:36
7:48
+0:06
21M
21.00 mi13:06:232:38:337:338:07
8:07
+0:19
35K
21.75 mi13:12:052:44:157:335:42
7:37
-0:30
23M
23.00 mi13:21:562:54:067:349:51
7:52
+0:15
24M
24.00 mi13:29:353:01:457:347:39
7:39
-0:13
40K
24.85 mi13:36:183:08:287:356:43
7:51
+0:12
25.2M
25.20 mi13:39:163:11:267:362:58
8:36
+0:45
Finish
26.22 mi13:47:143:19:247:377:58
7:49
-0:47

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

7:18 /mi

Average Pace

7:37 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:19

94% of race

Time at Steady Pace

11:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:51:1423:247:3223:24
7:32
#9894
10K
6.21 mi11:14:3046:407:3123:16
7:29
#10120
15K
9.32 mi11:37:361:09:467:2923:06
7:26
#9900
20K
12.43 mi12:00:401:32:507:2823:04
7:25
#9564
Half
13.11 mi12:05:391:37:497:284:59
7:18
#9522
25K
15.53 mi12:23:441:55:547:2818:05
7:27
#9316
30K
18.64 mi12:47:402:19:507:3023:56
7:42
#9169
20M
20.00 mi12:58:162:30:267:3110:36
7:48
#9120
21M
21.00 mi13:06:232:38:337:338:07
8:07
#9030
35K
21.75 mi13:12:052:44:157:335:42
7:37
#9029
23M
23.00 mi13:21:562:54:067:349:51
7:52
#8995
24M
24.00 mi13:29:353:01:457:347:39
7:39
#8967
40K
24.85 mi13:36:183:08:287:356:43
7:51
#8940
25.2M
25.20 mi13:39:163:11:267:362:58
8:36
#8956
Finish
26.22 mi13:47:143:19:247:377:58
7:49
#9011
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9894807380739639(Top 36%)7943(Top 52%)7943(Top 387%)
10K6.21 mi3.10 mi10120-2268214-1418214-14110340(Top 39%)8346(Top 55%)8346(Top 407%)
15K9.32 mi3.11 mi9900+2208104+1108104+1109639(Top 36%)7943(Top 52%)7943(Top 387%)
20K12.43 mi3.11 mi9564+3367895+2097895+2098700(Top 33%)7315(Top 48%)7315(Top 356%)
Half13.11 mi0.68 mi9522+427869+267869+268610(Top 32%)7274(Top 48%)7274(Top 354%)
25K15.53 mi2.42 mi9316+2067736+1337736+1338468(Top 32%)7108(Top 47%)7108(Top 346%)
30K18.64 mi3.11 mi9169+1477607+1297607+1298658(Top 33%)7075(Top 47%)7075(Top 345%)
20M20.00 mi1.36 mi9120+497553+547553+548841(Top 33%)7100(Top 47%)7100(Top 346%)
21M21.00 mi1.00 mi9030+907477+767477+768106(Top 30%)6542(Top 43%)6542(Top 319%)
35K21.75 mi0.75 mi9029+17467+107467+109369(Top 35%)7274(Top 48%)7274(Top 354%)
23M23.00 mi1.25 mi8995+347418+497418+498843(Top 33%)6886(Top 45%)6886(Top 336%)
24M24.00 mi1.00 mi8967+287374+447374+448728(Top 33%)6746(Top 44%)6746(Top 329%)
40K24.85 mi0.85 mi8940+277341+337341+339007(Top 34%)6817(Top 45%)6817(Top 332%)
25.2M25.20 mi0.35 mi8956-167341734110105(Top 38%)7339(Top 48%)7339(Top 358%)
Finish26.22 mi1.02 mi9011-557346-57346-510768(Top 40%)7679(Top 51%)7679(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9639

Males

7943

M50-54

7943

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10340

Males

8346

M50-54

8346

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9639

Males

7943

M50-54

7943

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8700

Males

7315

M50-54

7315

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8610

Males

7274

M50-54

7274

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8468

Males

7108

M50-54

7108

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8658

Males

7075

M50-54

7075

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8841

Males

7100

M50-54

7100

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8106

Males

6542

M50-54

6542

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9369

Males

7274

M50-54

7274

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8843

Males

6886

M50-54

6886

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8728

Males

6746

M50-54

6746

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9007

Males

6817

M50-54

6817

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10105

Males

7339

M50-54

7339

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10768

Males

7679

M50-54

7679

Passing Analysis

Category:
Athletes Passed
1988*
Passed By
1104
Net Change
+883
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9894
5K → 10K220445-226#9894#10120
10K → 15K306*86+220#10120#9900
15K → 20K365*29+336#9900#9564
20K → Half486+42#9564#9522
Half → 25K23226+206#9522#9316
25K → 30K239*92+147#9316#9169
30K → 20M10556+49#9169#9120
20M → 21M12939+90#9120#9030
21M → 35K4241+1#9030#9029
35K → 23M9157+34#9029#8995
23M → 24M8153+28#8995#8967
24M → 40K6336+27#8967#8940
40K → 25.2M2238-16#8940#8956
25.2M → Finish45100-55#8956#9011
TOTALS1988*1104+883

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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