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BOSTON MARATHON 2023

Brian Yeager

Bib: 4672•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M50-54)
#0 / 2052
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #4394
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
41:37
Rank: #3942 (+452)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:02:06
Rank: #3642 (+300)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:22:37
Rank: #3434 (+208)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:27:02
Rank: #3378 (+56)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:43:06
Rank: #3257 (+121)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:04:07
Rank: #3096 (+161)
25K → 30K
21:01 | 6:46/mi
20M
2:13:20
Rank: #3047 (+49)
30K → 20M
9:13 | 6:47/mi
21M
2:20:31
Rank: #3021 (+26)
20M → 21M
7:11 | 7:11/mi
35K· 21.75 mi
2:25:23
Rank: #2983 (+38)
21M → 35K
4:52 | 6:30/mi
23M
2:33:34
Rank: #2830 (+153)
35K → 23M
8:11 | 6:32/mi
24M
2:39:50
Rank: #2706 (+124)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:45:24
Rank: #2627 (+79)
24M → 40K
5:34 | 6:31/mi
25.2M
2:47:49
Rank: #2597 (+30)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:54:11
Rank: #2511 (+86)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:02
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:09
Pace6:39 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5721:036:4721:03
6:47
-
10K
6.21 mi10:43:3141:376:4220:34
6:37
-0:10
15K
9.32 mi11:04:001:02:066:4020:29
6:36
-0:01
20K
12.43 mi11:24:311:22:376:3920:31
6:36
0:00
Half
13.11 mi11:28:561:27:026:384:25
6:28
-0:08
25K
15.53 mi11:45:001:43:066:3816:04
6:38
+0:10
30K
18.64 mi12:06:012:04:076:3921:01
6:46
+0:08
20M
20.00 mi12:15:142:13:206:409:13
6:47
+0:01
21M
21.00 mi12:22:252:20:316:417:11
7:11
+0:24
35K
21.75 mi12:27:172:25:236:414:52
6:30
-0:41
23M
23.00 mi12:35:282:33:346:418:11
6:32
+0:02
24M
24.00 mi12:41:442:39:506:406:16
6:16
-0:16
40K
24.85 mi12:47:182:45:246:395:34
6:31
+0:15
25.2M
25.20 mi12:49:432:47:496:402:25
7:00
+0:29
Finish
26.22 mi12:56:052:54:116:396:22
6:15
-0:45

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

6:15 /mi

Average Pace

6:39 /mi

Slowest Pace

7:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:35

94% of race

Time at Steady Pace

9:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:22:5721:036:4721:03
6:47
#4394
10K
6.21 mi10:43:3141:376:4220:34
6:37
#3942
15K
9.32 mi11:04:001:02:066:4020:29
6:36
#3642
20K
12.43 mi11:24:311:22:376:3920:31
6:36
#3434
Half
13.11 mi11:28:561:27:026:384:25
6:28
#3378
25K
15.53 mi11:45:001:43:066:3816:04
6:38
#3257
30K
18.64 mi12:06:012:04:076:3921:01
6:46
#3096
20M
20.00 mi12:15:142:13:206:409:13
6:47
#3047
21M
21.00 mi12:22:252:20:316:417:11
7:11
#3021
35K
21.75 mi12:27:172:25:236:414:52
6:30
#2983
23M
23.00 mi12:35:282:33:346:418:11
6:32
#2830
24M
24.00 mi12:41:442:39:506:406:16
6:16
#2706
40K
24.85 mi12:47:182:45:246:395:34
6:31
#2627
25.2M
25.20 mi12:49:432:47:496:402:25
7:00
#2597
Finish
26.22 mi12:56:052:54:116:396:22
6:15
#2511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4394410241023221(Top 12%)3062(Top 20%)3062(Top 149%)
10K6.21 mi3.10 mi3942+4523711+3913711+3913624(Top 14%)3421(Top 23%)3421(Top 167%)
15K9.32 mi3.11 mi3642+3003440+2713440+2713221(Top 12%)3062(Top 20%)3062(Top 149%)
20K12.43 mi3.11 mi3434+2083255+1853255+1852862(Top 11%)2730(Top 18%)2730(Top 133%)
Half13.11 mi0.68 mi3378+563207+483207+482605(Top 10%)2499(Top 16%)2499(Top 122%)
25K15.53 mi2.42 mi3257+1213102+1053102+1052849(Top 11%)2720(Top 18%)2720(Top 133%)
30K18.64 mi3.11 mi3096+1612950+1522950+1522761(Top 10%)2619(Top 17%)2619(Top 128%)
20M20.00 mi1.36 mi3047+492903+472903+472689(Top 10%)2543(Top 17%)2543(Top 124%)
21M21.00 mi1.00 mi3021+262876+272876+272979(Top 11%)2790(Top 18%)2790(Top 136%)
35K21.75 mi0.75 mi2983+382840+362840+362431(Top 9%)2303(Top 15%)2303(Top 112%)
23M23.00 mi1.25 mi2830+1532696+1442696+1441570(Top 6%)1492(Top 10%)1492(Top 73%)
24M24.00 mi1.00 mi2706+1242581+1152581+1151278(Top 5%)1212(Top 8%)1212(Top 59%)
40K24.85 mi0.85 mi2627+792508+732508+731587(Top 6%)1497(Top 10%)1497(Top 73%)
25.2M25.20 mi0.35 mi2597+302479+292479+291772(Top 7%)1665(Top 11%)1665(Top 81%)
Finish26.22 mi1.02 mi2511+862395+842395+841441(Top 5%)1364(Top 9%)1364(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3221

Males

3062

M50-54

3062

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3624

Males

3421

M50-54

3421

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3221

Males

3062

M50-54

3062

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2862

Males

2730

M50-54

2730

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2605

Males

2499

M50-54

2499

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2849

Males

2720

M50-54

2720

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2761

Males

2619

M50-54

2619

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2689

Males

2543

M50-54

2543

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2979

Males

2790

M50-54

2790

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2431

Males

2303

M50-54

2303

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1570

Males

1492

M50-54

1492

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1278

Males

1212

M50-54

1212

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1587

Males

1497

M50-54

1497

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1772

Males

1665

M50-54

1665

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1441

Males

1364

M50-54

1364

Passing Analysis

Category:
Athletes Passed
2113
Passed By
230
Net Change
+1883
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4394
5K → 10K52371+452#4394#3942
10K → 15K31616+300#3942#3642
15K → 20K21911+208#3642#3434
20K → Half571+56#3434#3378
Half → 25K14019+121#3378#3257
25K → 30K18726+161#3257#3096
30K → 20M6718+49#3096#3047
20M → 21M6337+26#3047#3021
21M → 35K4810+38#3021#2983
35K → 23M1563+153#2983#2830
23M → 24M1251+124#2830#2706
24M → 40K878+79#2706#2627
40K → 25.2M344+30#2627#2597
25.2M → Finish915+86#2597#2511
TOTALS2113230+1883
📊

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