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BOSTON MARATHON 2023

Kris Hergert

Bib: 10408•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:22/mi
25:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:19:48
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:48:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:54:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:15:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:43:46
↑ 181↓ 1480.2%
20M
9:26/mi
2:56:35
↑ 64↓ 500.2%
21M
9:18/mi
3:05:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:12:21
↑ 17↓ 861.7%
23M
8:44/mi
3:23:17
↑ 23↓ 630.6%
24M
8:42/mi
3:31:59
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:39:36
↓ 200.3%
25.2M
9:20/mi
3:42:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:42/mi
3:51:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:04
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time1:57:37
Pace8:58 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3525:598:2225:59
8:22
-
10K
6.21 mi11:19:0752:318:2726:32
8:32
+0:10
15K
9.32 mi11:46:241:19:488:3427:17
8:47
+0:15
20K
12.43 mi12:14:491:48:138:4228:25
9:09
+0:22
Half
13.11 mi12:20:401:54:048:425:51
8:34
-0:35
25K
15.53 mi12:42:042:15:288:4321:24
8:50
+0:16
30K
18.64 mi13:10:222:43:468:4728:18
9:07
+0:17
20M
20.00 mi13:23:112:56:358:5012:49
9:26
+0:19
21M
21.00 mi13:32:293:05:538:519:18
9:18
-0:08
35K
21.75 mi13:38:573:12:218:516:28
8:39
-0:39
23M
23.00 mi13:49:533:23:178:5010:56
8:44
+0:05
24M
24.00 mi13:58:353:31:598:508:42
8:42
-0:02
40K
24.85 mi14:06:123:39:368:507:37
8:54
+0:12
25.2M
25.20 mi14:09:253:42:498:513:13
9:20
+0:26
Finish
26.22 mi14:18:173:51:418:518:52
8:42
-0:38

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

8:22 /mi

Average Pace

8:51 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:21

89% of race

Time at Steady Pace

25:20

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:50 /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 mi10:52:3525:598:2225:59
8:22
#16594
10K
6.21 mi11:19:0752:318:2726:32
8:32
#17560
15K
9.32 mi11:46:241:19:488:3427:17
8:47
#18237
20K
12.43 mi12:14:491:48:138:4228:25
9:09
#18836
Half
13.11 mi12:20:401:54:048:425:51
8:34
#18785
25K
15.53 mi12:42:042:15:288:4321:24
8:50
#18686
30K
18.64 mi13:10:222:43:468:4728:18
9:07
#18487
20M
20.00 mi13:23:112:56:358:5012:49
9:26
#18486
21M
21.00 mi13:32:293:05:538:519:18
9:18
#18286
35K
21.75 mi13:38:573:12:218:516:28
8:39
#18192
23M
23.00 mi13:49:533:23:178:5010:56
8:44
#17999
24M
24.00 mi13:58:353:31:598:508:42
8:42
#17900
40K
24.85 mi14:06:123:39:368:507:37
8:54
#17814
25.2M
25.20 mi14:09:253:42:498:513:13
9:20
#17766
Finish
26.22 mi14:18:173:51:418:518:52
8:42
#17709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16594109121091219395(Top 73%)12047(Top 79%)12047(Top 535%)
10K6.21 mi3.10 mi17560-96611279-36711279-36718485(Top 69%)11707(Top 77%)11707(Top 520%)
15K9.32 mi3.11 mi18237-67711558-27911558-27919395(Top 73%)12047(Top 79%)12047(Top 535%)
20K12.43 mi3.11 mi18836-59911794-23611794-23620344(Top 76%)12452(Top 82%)12452(Top 553%)
Half13.11 mi0.68 mi18785+5111772+2211772+2218129(Top 68%)11535(Top 76%)11535(Top 512%)
25K15.53 mi2.42 mi18686+9911722+5011722+5018085(Top 68%)11466(Top 76%)11466(Top 509%)
30K18.64 mi3.11 mi18487+19911610+11211610+11217726(Top 67%)11227(Top 74%)11227(Top 499%)
20M20.00 mi1.36 mi18486+111607+311607+318578(Top 70%)11488(Top 76%)11488(Top 510%)
21M21.00 mi1.00 mi18286+20011497+11011497+11014970(Top 56%)9923(Top 65%)9923(Top 441%)
35K21.75 mi0.75 mi18192+9411452+4511452+4516079(Top 60%)10329(Top 68%)10329(Top 459%)
23M23.00 mi1.25 mi17999+19311370+8211370+8214588(Top 55%)9629(Top 63%)9629(Top 428%)
24M24.00 mi1.00 mi17900+9911315+5511315+5515652(Top 59%)10022(Top 66%)10022(Top 445%)
40K24.85 mi0.85 mi17814+8611273+4211273+4215656(Top 59%)9982(Top 66%)9982(Top 443%)
25.2M25.20 mi0.35 mi17766+4811245+2811245+2814305(Top 54%)9398(Top 62%)9398(Top 417%)
Finish26.22 mi1.02 mi17709+5711209+3611209+3616481(Top 62%)10378(Top 68%)10378(Top 461%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19395

Males

12047

M45-49

12047

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18485

Males

11707

M45-49

11707

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19395

Males

12047

M45-49

12047

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20344

Males

12452

M45-49

12452

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18129

Males

11535

M45-49

11535

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18085

Males

11466

M45-49

11466

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17726

Males

11227

M45-49

11227

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18578

Males

11488

M45-49

11488

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14970

Males

9923

M45-49

9923

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16079

Males

10329

M45-49

10329

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14588

Males

9629

M45-49

9629

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15652

Males

10022

M45-49

10022

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15656

Males

9982

M45-49

9982

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14305

Males

9398

M45-49

9398

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16481

Males

10378

M45-49

10378

Passing Analysis

Category:
Athletes Passed
1614
Passed By
2729
Net Change
-1115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16594
5K → 10K661032-966#16594#17560
10K → 15K45722-677#17560#18237
15K → 20K45644-599#18237#18836
20K → Half576+51#18836#18785
Half → 25K17071+99#18785#18686
25K → 30K27172+199#18686#18487
30K → 20M9089+1#18487#18486
20M → 21M21010+200#18486#18286
21M → 35K10814+94#18286#18192
35K → 23M1985+193#18192#17999
23M → 24M11011+99#17999#17900
24M → 40K9711+86#17900#17814
40K → 25.2M546+48#17814#17766
25.2M → Finish9336+57#17766#17709
TOTALS16142729-1115
📊

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