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BOSTON MARATHON 2023

Christopher Swain

Bib: 15542•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:34
Rank: #15640
Start → 5K
25:34 | 8:14/mi
10K· 6.21 mi
51:14
Rank: #16144 (-504)
5K → 10K
25:40 | 8:16/mi
15K· 9.32 mi
1:15:52
Rank: #15416 (+728)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:40:49
Rank: #14960 (+456)
15K → 20K
24:57 | 8:02/mi
Half· 13.11 mi
1:46:05
Rank: #14820 (+140)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:05:37
Rank: #14551 (+269)
Half → 25K
19:32 | 8:03/mi
30K· 18.64 mi
2:31:23
Rank: #14252 (+299)
25K → 30K
25:46 | 8:18/mi
20M
2:42:47
Rank: #14149 (+103)
30K → 20M
11:24 | 8:23/mi
21M
2:52:12
Rank: #14213 (-64)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
2:58:06
Rank: #14076 (+137)
21M → 35K
5:54 | 7:53/mi
23M
3:08:28
Rank: #13915 (+161)
35K → 23M
10:22 | 8:17/mi
24M
3:16:24
Rank: #13747 (+168)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:23:11
Rank: #13574 (+173)
24M → 40K
6:47 | 7:56/mi
25.2M
3:26:15
Rank: #13531 (+43)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:33:56
Rank: #13319 (+212)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1625:348:1425:34
8:14
-
10K
6.21 mi11:22:5651:148:1525:40
8:16
+0:02
15K
9.32 mi11:47:341:15:528:0824:38
7:56
-0:20
20K
12.43 mi12:12:311:40:498:0724:57
8:02
+0:06
Half
13.11 mi12:17:471:46:058:065:16
7:43
-0:19
25K
15.53 mi12:37:192:05:378:0519:32
8:03
+0:20
30K
18.64 mi13:03:052:31:238:0725:46
8:18
+0:15
20M
20.00 mi13:14:292:42:478:0811:24
8:23
+0:05
21M
21.00 mi13:23:542:52:128:129:25
9:25
+1:02
35K
21.75 mi13:29:482:58:068:115:54
7:53
-1:32
23M
23.00 mi13:40:103:08:288:1210:22
8:17
+0:24
24M
24.00 mi13:48:063:16:248:117:56
7:56
-0:21
40K
24.85 mi13:54:533:23:118:106:47
7:56
0:00
25.2M
25.20 mi13:57:573:26:158:113:04
8:54
+0:58
Finish
26.22 mi14:05:383:33:568:107:41
7:32
-1:22

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

7:32 /mi

Average Pace

8:10 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:57

6% of race

Time at Steady Pace

2:20:58

66% of race

Time at Slower Pace

1:00:01

28% of race

Average Pace: 8:10 /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 mi10:57:1625:348:1425:34
8:14
#15640
10K
6.21 mi11:22:5651:148:1525:40
8:16
#16144
15K
9.32 mi11:47:341:15:528:0824:38
7:56
#15416
20K
12.43 mi12:12:311:40:498:0724:57
8:02
#14960
Half
13.11 mi12:17:471:46:058:065:16
7:43
#14820
25K
15.53 mi12:37:192:05:378:0519:32
8:03
#14551
30K
18.64 mi13:03:052:31:238:0725:46
8:18
#14252
20M
20.00 mi13:14:292:42:478:0811:24
8:23
#14149
21M
21.00 mi13:23:542:52:128:129:25
9:25
#14213
35K
21.75 mi13:29:482:58:068:115:54
7:53
#14076
23M
23.00 mi13:40:103:08:288:1210:22
8:17
#13915
24M
24.00 mi13:48:063:16:248:117:56
7:56
#13747
40K
24.85 mi13:54:533:23:118:106:47
7:56
#13574
25.2M
25.20 mi13:57:573:26:158:113:04
8:54
#13531
Finish
26.22 mi14:05:383:33:568:107:41
7:32
#13319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15640105531055313796(Top 52%)9817(Top 65%)9817(Top 690%)
10K6.21 mi3.10 mi16144-50410761-20810761-20816640(Top 63%)10956(Top 72%)10956(Top 770%)
15K9.32 mi3.11 mi15416+72810472+28910472+28913796(Top 52%)9817(Top 65%)9817(Top 690%)
20K12.43 mi3.11 mi14960+45610282+19010282+19013684(Top 51%)9740(Top 64%)9740(Top 685%)
Half13.11 mi0.68 mi14820+14010230+5210230+5212010(Top 45%)9087(Top 60%)9087(Top 639%)
25K15.53 mi2.42 mi14551+26910096+13410096+13413188(Top 50%)9435(Top 62%)9435(Top 664%)
30K18.64 mi3.11 mi14252+2999935+1619935+16112977(Top 49%)9219(Top 61%)9219(Top 648%)
20M20.00 mi1.36 mi14149+1039872+639872+6312929(Top 49%)9097(Top 60%)9097(Top 640%)
21M21.00 mi1.00 mi14213-649875-39875-315529(Top 58%)10138(Top 67%)10138(Top 713%)
35K21.75 mi0.75 mi14076+1379814+619814+6111285(Top 42%)8267(Top 54%)8267(Top 581%)
23M23.00 mi1.25 mi13915+1619723+919723+9111739(Top 44%)8357(Top 55%)8357(Top 588%)
24M24.00 mi1.00 mi13747+1689631+929631+9210770(Top 40%)7793(Top 51%)7793(Top 548%)
40K24.85 mi0.85 mi13574+1739552+799552+799588(Top 36%)7135(Top 47%)7135(Top 502%)
25.2M25.20 mi0.35 mi13531+439525+279525+2711856(Top 45%)8199(Top 54%)8199(Top 577%)
Finish26.22 mi1.02 mi13319+2129415+1109415+1108844(Top 33%)6672(Top 44%)6672(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13796

Males

9817

M55-59

9817

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16640

Males

10956

M55-59

10956

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13796

Males

9817

M55-59

9817

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13684

Males

9740

M55-59

9740

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12010

Males

9087

M55-59

9087

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13188

Males

9435

M55-59

9435

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12977

Males

9219

M55-59

9219

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

12929

Males

9097

M55-59

9097

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15529

Males

10138

M55-59

10138

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11285

Males

8267

M55-59

8267

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11739

Males

8357

M55-59

8357

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10770

Males

7793

M55-59

7793

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9588

Males

7135

M55-59

7135

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11856

Males

8199

M55-59

8199

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8844

Males

6672

M55-59

6672

Passing Analysis

Category:
Athletes Passed
3282
Passed By
961
Net Change
+2321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15640
5K → 10K118622-504#15640#16144
10K → 15K74820+728#16144#15416
15K → 20K47721+456#15416#14960
20K → Half1433+140#14960#14820
Half → 25K29829+269#14820#14551
25K → 30K34950+299#14551#14252
30K → 20M13936+103#14252#14149
20M → 21M59123-64#14149#14213
21M → 35K1447+137#14213#14076
35K → 23M18019+161#14076#13915
23M → 24M1768+168#13915#13747
24M → 40K1774+173#13747#13574
40K → 25.2M5310+43#13574#13531
25.2M → Finish2219+212#13531#13319
TOTALS3282961+2321
📊

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