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BOSTON MARATHON 2023

Francis Yu

Bib: 3289•M

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #3401
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
40:45
Rank: #2850 (+551)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
1:00:51
Rank: #2684 (+166)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:21:23
Rank: #2724 (-40)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:25:47
Rank: #2703 (+21)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:45
Rank: #2678 (+25)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:02:38
Rank: #2624 (+54)
25K → 30K
20:53 | 6:43/mi
20M
2:11:45
Rank: #2584 (+40)
30K → 20M
9:07 | 6:43/mi
21M
2:18:45
Rank: #2524 (+60)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:23:40
Rank: #2502 (+22)
21M → 35K
4:55 | 6:34/mi
23M
2:32:08
Rank: #2455 (+47)
35K → 23M
8:28 | 6:46/mi
24M
2:38:48
Rank: #2447 (+8)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:44:21
Rank: #2394 (+53)
24M → 40K
5:33 | 6:29/mi
25.2M
2:46:47
Rank: #2364 (+30)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:53:14
Rank: #2319 (+45)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:47
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:27:27
Pace6:40 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5820:446:4020:44
6:40
-
10K
6.21 mi10:41:5940:456:3320:01
6:27
-0:13
15K
9.32 mi11:02:051:00:516:3220:06
6:28
+0:01
20K
12.43 mi11:22:371:21:236:3320:32
6:37
+0:09
Half
13.11 mi11:27:011:25:476:334:24
6:27
-0:10
25K
15.53 mi11:42:591:41:456:3315:58
6:35
+0:08
30K
18.64 mi12:03:522:02:386:3520:53
6:43
+0:08
20M
20.00 mi12:12:592:11:456:359:07
6:43
0:00
21M
21.00 mi12:19:592:18:456:367:00
7:00
+0:17
35K
21.75 mi12:24:542:23:406:364:55
6:34
-0:26
23M
23.00 mi12:33:222:32:086:378:28
6:46
+0:12
24M
24.00 mi12:40:022:38:486:376:40
6:40
-0:06
40K
24.85 mi12:45:352:44:216:375:33
6:29
-0:11
25.2M
25.20 mi12:48:012:46:476:372:26
7:03
+0:34
Finish
26.22 mi12:54:282:53:146:376:27
6:20
-0:43

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

6:20 /mi

Average Pace

6:37 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:48

95% of race

Time at Steady Pace

9:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:21:5820:446:4020:44
6:40
#3401
10K
6.21 mi10:41:5940:456:3320:01
6:27
#2850
15K
9.32 mi11:02:051:00:516:3220:06
6:28
#2684
20K
12.43 mi11:22:371:21:236:3320:32
6:37
#2724
Half
13.11 mi11:27:011:25:476:334:24
6:27
#2703
25K
15.53 mi11:42:591:41:456:3315:58
6:35
#2678
30K
18.64 mi12:03:522:02:386:3520:53
6:43
#2624
20M
20.00 mi12:12:592:11:456:359:07
6:43
#2584
21M
21.00 mi12:19:592:18:456:367:00
7:00
#2524
35K
21.75 mi12:24:542:23:406:364:55
6:34
#2502
23M
23.00 mi12:33:222:32:086:378:28
6:46
#2455
24M
24.00 mi12:40:022:38:486:376:40
6:40
#2447
40K
24.85 mi12:45:352:44:216:375:33
6:29
#2394
25.2M
25.20 mi12:48:012:46:476:372:26
7:03
#2364
Finish
26.22 mi12:54:282:53:146:376:27
6:20
#2319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3401320432042451(Top 9%)2351(Top 15%)2351(Top 44%)
10K6.21 mi3.10 mi2850+5512716+4882716+4882454(Top 9%)2347(Top 15%)2347(Top 44%)
15K9.32 mi3.11 mi2684+1662563+1532563+1532451(Top 9%)2351(Top 15%)2351(Top 44%)
20K12.43 mi3.11 mi2724-402603-402603-402900(Top 11%)2766(Top 18%)2766(Top 52%)
Half13.11 mi0.68 mi2703+212583+202583+202476(Top 9%)2375(Top 16%)2375(Top 45%)
25K15.53 mi2.42 mi2678+252558+252558+252611(Top 10%)2499(Top 16%)2499(Top 47%)
30K18.64 mi3.11 mi2624+542505+532505+532509(Top 9%)2386(Top 16%)2386(Top 45%)
20M20.00 mi1.36 mi2584+402468+372468+372309(Top 9%)2192(Top 14%)2192(Top 41%)
21M21.00 mi1.00 mi2524+602417+512417+512142(Top 8%)2023(Top 13%)2023(Top 38%)
35K21.75 mi0.75 mi2502+222395+222395+222802(Top 11%)2629(Top 17%)2629(Top 50%)
23M23.00 mi1.25 mi2455+472349+462349+462434(Top 9%)2286(Top 15%)2286(Top 43%)
24M24.00 mi1.00 mi2447+82340+92340+92899(Top 11%)2691(Top 18%)2691(Top 51%)
40K24.85 mi0.85 mi2394+532289+512289+511509(Top 6%)1423(Top 9%)1423(Top 27%)
25.2M25.20 mi0.35 mi2364+302261+282261+281922(Top 7%)1805(Top 12%)1805(Top 34%)
Finish26.22 mi1.02 mi2319+452220+412220+411742(Top 7%)1638(Top 11%)1638(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2451

Males

2351

M18-39

2351

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2454

Males

2347

M18-39

2347

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2451

Males

2351

M18-39

2351

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2900

Males

2766

M18-39

2766

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2476

Males

2375

M18-39

2375

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2611

Males

2499

M18-39

2499

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2509

Males

2386

M18-39

2386

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2309

Males

2192

M18-39

2192

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2142

Males

2023

M18-39

2023

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2802

Males

2629

M18-39

2629

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2434

Males

2286

M18-39

2286

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2899

Males

2691

M18-39

2691

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1509

Males

1423

M18-39

1423

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1922

Males

1805

M18-39

1805

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1742

Males

1638

M18-39

1638

Passing Analysis

Category:
Athletes Passed
1394
Passed By
312
Net Change
+1082
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3401
5K → 10K56716+551#3401#2850
10K → 15K18721+166#2850#2684
15K → 20K61101-40#2684#2724
20K → Half3110+21#2724#2703
Half → 25K5833+25#2703#2678
25K → 30K9642+54#2678#2624
30K → 20M6020+40#2624#2584
20M → 21M7313+60#2584#2524
21M → 35K3311+22#2524#2502
35K → 23M569+47#2502#2455
23M → 24M2921+8#2455#2447
24M → 40K585+53#2447#2394
40K → 25.2M322+30#2394#2364
25.2M → Finish538+45#2364#2319
TOTALS1394312+1082
📊

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