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BOSTON MARATHON 2023

Benjamin Litchfield

Bib: 25710•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:25
Rank: #17568
Start → 5K
8:30/mi
26:25 split
10K· 6.21 mi
51:13
Rank: #16120 (+1448)
5K → 10K
7:59/mi
24:48 split
15K· 9.32 mi
1:15:00
Rank: #14712 (+1408)
10K → 15K
7:39/mi
23:47 split
20K· 12.43 mi
1:38:43
Rank: #13646 (+1066)
15K → 20K
7:38/mi
23:43 split
Half· 13.11 mi
1:43:58
Rank: #13558 (+88)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
2:02:31
Rank: #12929 (+629)
Half → 25K
7:39/mi
18:33 split
30K· 18.64 mi
2:26:49
Rank: #12264 (+665)
25K → 30K
7:49/mi
24:18 split
20M
2:37:45
Rank: #12108 (+156)
30K → 20M
8:03/mi
10:56 split
21M
2:46:23
Rank: #12043 (+65)
20M → 21M
8:38/mi
8:38 split
35K· 21.75 mi
2:52:43
Rank: #12166 (-123)
21M → 35K
8:28/mi
6:20 split
23M
3:03:56
Rank: #12428 (-262)
35K → 23M
8:58/mi
11:13 split
24M
3:15:45
Rank: #13542 (-1114)
23M → 24M
11:49/mi
11:49 split
40K· 24.85 mi
3:23:35
Rank: #13691 (-149)
24M → 40K
9:10/mi
7:50 split
25.2M
3:26:45
Rank: #13689 (+2)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:35:18
Rank: #13715 (-26)
25.2M → Finish
8:23/mi
8:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:58
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:51:20
Pace8:30 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4626:258:3026:25
8:30
-
10K
6.21 mi12:12:3451:138:1524:48
7:59
-0:31
15K
9.32 mi12:36:211:15:008:0323:47
7:39
-0:20
20K
12.43 mi13:00:041:38:437:5723:43
7:38
-0:01
Half
13.11 mi13:05:191:43:587:565:15
7:42
+0:04
25K
15.53 mi13:23:522:02:317:5318:33
7:39
-0:03
30K
18.64 mi13:48:102:26:497:5324:18
7:49
+0:10
20M
20.00 mi13:59:062:37:457:5310:56
8:03
+0:14
21M
21.00 mi14:07:442:46:237:558:38
8:38
+0:35
35K
21.75 mi14:14:042:52:437:576:20
8:28
-0:10
23M
23.00 mi14:25:173:03:568:0011:13
8:58
+0:30
24M
24.00 mi14:37:063:15:458:0911:49
11:49
+2:51
40K
24.85 mi14:44:563:23:358:117:50
9:10
-2:39
25.2M
25.20 mi14:48:063:26:458:123:10
9:11
+0:01
Finish
26.22 mi14:56:393:35:188:138:33
8:23
-0:48

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

7:38 /mi

Average Pace

8:13 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:36

44% of race

Time at Steady Pace

1:25:40

40% of race

Time at Slower Pace

34:02

16% of race

Average Pace: 8:13 /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 mi11:47:4626:258:3026:25
8:30
#17568
10K
6.21 mi12:12:3451:138:1524:48
7:59
#16120
15K
9.32 mi12:36:211:15:008:0323:47
7:39
#14712
20K
12.43 mi13:00:041:38:437:5723:43
7:38
#13646
Half
13.11 mi13:05:191:43:587:565:15
7:42
#13558
25K
15.53 mi13:23:522:02:317:5318:33
7:39
#12929
30K
18.64 mi13:48:102:26:497:5324:18
7:49
#12264
20M
20.00 mi13:59:062:37:457:5310:56
8:03
#12108
21M
21.00 mi14:07:442:46:237:558:38
8:38
#12043
35K
21.75 mi14:14:042:52:437:576:20
8:28
#12166
23M
23.00 mi14:25:173:03:568:0011:13
8:58
#12428
24M
24.00 mi14:37:063:15:458:0911:49
11:49
#13542
40K
24.85 mi14:44:563:23:358:117:50
9:10
#13691
25.2M
25.20 mi14:48:063:26:458:123:10
9:11
#13689
Finish
26.22 mi14:56:393:35:188:138:33
8:23
#13715
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17568112481124811460(Top 43%)8843(Top 58%)8843(Top 167%)
10K6.21 mi3.10 mi16120+144810754+49410754+49414674(Top 55%)10189(Top 67%)10189(Top 193%)
15K9.32 mi3.11 mi14712+140810210+54410210+54411460(Top 43%)8843(Top 58%)8843(Top 167%)
20K12.43 mi3.11 mi13646+10669751+4599751+45910357(Top 39%)8274(Top 55%)8274(Top 157%)
Half13.11 mi0.68 mi13558+889729+229729+2211827(Top 44%)9012(Top 59%)9012(Top 171%)
25K15.53 mi2.42 mi12929+6299448+2819448+2819914(Top 37%)7939(Top 52%)7939(Top 150%)
30K18.64 mi3.11 mi12264+6659113+3359113+3359528(Top 36%)7582(Top 50%)7582(Top 143%)
20M20.00 mi1.36 mi12108+1569031+829031+8210604(Top 40%)8060(Top 53%)8060(Top 153%)
21M21.00 mi1.00 mi12043+658998+338998+3311250(Top 42%)8240(Top 54%)8240(Top 156%)
35K21.75 mi0.75 mi12166-1239026-289026-2815067(Top 57%)9893(Top 65%)9893(Top 187%)
23M23.00 mi1.25 mi12428-2629121-959121-9515818(Top 59%)10150(Top 67%)10150(Top 192%)
24M24.00 mi1.00 mi13542-11149559-4389559-43824282(Top 91%)13938(Top 92%)13938(Top 264%)
40K24.85 mi0.85 mi13691-1499593-349593-3416890(Top 63%)10526(Top 69%)10526(Top 199%)
25.2M25.20 mi0.35 mi13689+29588+59588+513501(Top 51%)8994(Top 59%)8994(Top 170%)
Finish26.22 mi1.02 mi13715-269575+139575+1314647(Top 55%)9558(Top 63%)9558(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11460

Males

8843

M18-39

8843

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14674

Males

10189

M18-39

10189

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11460

Males

8843

M18-39

8843

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10357

Males

8274

M18-39

8274

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11827

Males

9012

M18-39

9012

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9914

Males

7939

M18-39

7939

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9528

Males

7582

M18-39

7582

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10604

Males

8060

M18-39

8060

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11250

Males

8240

M18-39

8240

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15067

Males

9893

M18-39

9893

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15818

Males

10150

M18-39

10150

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24282

Males

13938

M18-39

13938

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16890

Males

10526

M18-39

10526

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13501

Males

8994

M18-39

8994

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14647

Males

9558

M18-39

9558

Passing Analysis

Category:
Athletes Passed
5838
Passed By
1985
Net Change
+3853
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17568
5K → 10K149143+1448#17568#16120
10K → 15K14080+1408#16120#14712
15K → 20K10682+1066#14712#13646
20K → Half946+88#13646#13558
Half → 25K6290+629#13558#12929
25K → 30K6727+665#12929#12264
30K → 20M18226+156#12264#12108
20M → 21M11651+65#12108#12043
21M → 35K19142-123#12043#12166
35K → 23M31293-262#12166#12428
23M → 24M41118-1114#12428#13542
24M → 40K26175-149#13542#13691
40K → 25.2M4240+2#13691#13689
25.2M → Finish5682-26#13689#13715
TOTALS58381985+3853
📊

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