Boston Marathon logo
BOSTON MARATHON 2023

Chas Hodgdon

Bib: 27917•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
48:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:12:18
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:35:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:40:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:52/mi
2:01:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:29:59
↑ 181↓ 1480.2%
20M
10:25/mi
2:44:09
↑ 64↓ 500.2%
21M
13:12/mi
2:57:21
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:05:15
↑ 17↓ 861.7%
23M
11:02/mi
3:19:04
↑ 23↓ 630.6%
24M
13:01/mi
3:32:05
↓ 821.3%
40K· 24.85 mi
12:41/mi
3:42:56
↓ 200.3%
25.2M
18:07/mi
3:49:11
↑ 13↓ 160.2%
Finish· 26.22 mi
14:28/mi
4:03:56
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:11
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time2:23:45
Pace10:58 /mi
📊Positive Split: 43.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3424:057:4524:05
7:45
-
10K
6.21 mi12:06:1948:507:5224:45
7:58
+0:13
15K
9.32 mi12:29:471:12:187:4523:28
7:33
-0:25
20K
12.43 mi12:52:321:35:037:3922:45
7:19
-0:14
Half
13.11 mi12:57:401:40:117:395:08
7:31
+0:12
25K
15.53 mi13:19:092:01:407:5021:29
8:52
+1:21
30K
18.64 mi13:47:282:29:598:0328:19
9:07
+0:15
20M
20.00 mi14:01:382:44:098:1214:10
10:25
+1:18
21M
21.00 mi14:14:502:57:218:2713:12
13:12
+2:47
35K
21.75 mi14:22:443:05:158:317:54
10:34
-2:38
23M
23.00 mi14:36:333:19:048:3913:49
11:02
+0:28
24M
24.00 mi14:49:343:32:058:5013:01
13:01
+1:59
40K
24.85 mi15:00:253:42:568:5810:51
12:41
-0:20
25.2M
25.20 mi15:06:403:49:119:066:15
18:07
+5:26
Finish
26.22 mi15:21:254:03:569:1914:45
14:28
-3:39

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

7:19 /mi

Average Pace

9:19 /mi

Slowest Pace

18:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:40

50% of race

Time at Steady Pace

1:04:12

26% of race

Time at Slower Pace

58:04

24% of race

Average Pace: 9:18 /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 mi11:41:3424:057:4524:05
7:45
#11931
10K
6.21 mi12:06:1948:507:5224:45
7:58
#13258
15K
9.32 mi12:29:471:12:187:4523:28
7:33
#12275
20K
12.43 mi12:52:321:35:037:3922:45
7:19
#11092
Half
13.11 mi12:57:401:40:117:395:08
7:31
#11055
25K
15.53 mi13:19:092:01:407:5021:29
8:52
#12465
30K
18.64 mi13:47:282:29:598:0328:19
9:07
#13641
20M
20.00 mi14:01:382:44:098:1214:10
10:25
#14614
21M
21.00 mi14:14:502:57:218:2713:12
13:12
#15833
35K
21.75 mi14:22:443:05:158:317:54
10:34
#16264
23M
23.00 mi14:36:333:19:048:3913:49
11:02
#16912
24M
24.00 mi14:49:343:32:058:5013:01
13:01
#17922
40K
24.85 mi15:00:253:42:568:5810:51
12:41
#18494
25.2M
25.20 mi15:06:403:49:119:066:15
18:07
#19032
Finish
26.22 mi15:21:254:03:569:1914:45
14:28
#19895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi119319088908810603(Top 40%)8460(Top 56%)8460(Top 160%)
10K6.21 mi3.10 mi13258-13279645-5579645-55714535(Top 55%)10144(Top 67%)10144(Top 192%)
15K9.32 mi3.11 mi12275+9839213+4329213+43210603(Top 40%)8460(Top 56%)8460(Top 160%)
20K12.43 mi3.11 mi11092+11838700+5138700+5137956(Top 30%)6862(Top 45%)6862(Top 130%)
Half13.11 mi0.68 mi11055+378682+188682+1810421(Top 39%)8330(Top 55%)8330(Top 158%)
25K15.53 mi2.42 mi12465-14109241-5599241-55918269(Top 69%)11547(Top 76%)11547(Top 218%)
30K18.64 mi3.11 mi13641-11769704-4639704-46317766(Top 67%)11243(Top 74%)11243(Top 213%)
20M20.00 mi1.36 mi14614-97310062-35810062-35821557(Top 81%)12802(Top 84%)12802(Top 242%)
21M21.00 mi1.00 mi15833-121910495-43310495-43324295(Top 91%)14029(Top 92%)14029(Top 265%)
35K21.75 mi0.75 mi16264-43110661-16610661-16622482(Top 84%)13142(Top 87%)13142(Top 249%)
23M23.00 mi1.25 mi16912-64810921-26010921-26022405(Top 84%)13113(Top 86%)13113(Top 248%)
24M24.00 mi1.00 mi17922-101011326-40511326-40525479(Top 96%)14538(Top 96%)14538(Top 275%)
40K24.85 mi0.85 mi18494-57211560-23411560-23424656(Top 93%)14134(Top 93%)14134(Top 267%)
25.2M25.20 mi0.35 mi19032-53811790-23011790-23026504(Top 100%)15101(Top 100%)15101(Top 286%)
Finish26.22 mi1.02 mi19895-86312142-35212142-35226442(Top 99%)15059(Top 99%)15059(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10603

Males

8460

M18-39

8460

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14535

Males

10144

M18-39

10144

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10603

Males

8460

M18-39

8460

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7956

Males

6862

M18-39

6862

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10421

Males

8330

M18-39

8330

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18269

Males

11547

M18-39

11547

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17766

Males

11243

M18-39

11243

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21557

Males

12802

M18-39

12802

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24295

Males

14029

M18-39

14029

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22482

Males

13142

M18-39

13142

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22405

Males

13113

M18-39

13113

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25479

Males

14538

M18-39

14538

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24656

Males

14134

M18-39

14134

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26504

Males

15101

M18-39

15101

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26442

Males

15059

M18-39

15059

Passing Analysis

Category:
Athletes Passed
2332
Passed By
10296
Net Change
-7964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11931
5K → 10K341361-1327#11931#13258
10K → 15K100219+983#13258#12275
15K → 20K11841+1183#12275#11092
20K → Half4710+37#11092#11055
Half → 25K41414-1410#11055#12465
25K → 30K231199-1176#12465#13641
30K → 20M9982-973#13641#14614
20M → 21M11220-1219#14614#15833
21M → 35K10441-431#15833#16264
35K → 23M6654-648#16264#16912
23M → 24M31013-1010#16912#17922
24M → 40K7579-572#17922#18494
40K → 25.2M2540-538#18494#19032
25.2M → Finish0863-863#19032#19895
TOTALS233210296-7964
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing