Boston Marathon logo
BOSTON MARATHON 2023

Todd Baum

Bib: 19215•M

VT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 17%
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
8:22/mi
51:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:18:10
↑ 67↓ 78
20K· 12.43 mi
8:28/mi
1:44:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:50:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:10:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:37:37
↑ 181↓ 1480.2%
20M
8:45/mi
2:49:30
↑ 64↓ 500.2%
21M
9:21/mi
2:58:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:05:15
↑ 17↓ 861.7%
23M
8:54/mi
3:16:24
↑ 23↓ 630.6%
24M
8:29/mi
3:24:53
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:32:16
↓ 200.3%
25.2M
9:05/mi
3:35:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:43:40
↑ 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
Time1:50:14
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:53:26
Pace8:39 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4525:598:2225:59
8:22
-
10K
6.21 mi11:43:4451:588:2225:59
8:22
0:00
15K
9.32 mi12:09:561:18:108:2326:12
8:26
+0:04
20K
12.43 mi12:36:141:44:288:2426:18
8:28
+0:02
Half
13.11 mi12:42:001:50:148:255:46
8:27
-0:01
25K
15.53 mi13:02:322:10:468:2520:32
8:28
+0:01
30K
18.64 mi13:29:232:37:378:2726:51
8:39
+0:11
20M
20.00 mi13:41:162:49:308:2811:53
8:45
+0:06
21M
21.00 mi13:50:372:58:518:319:21
9:21
+0:36
35K
21.75 mi13:57:013:05:158:316:24
8:33
-0:48
23M
23.00 mi14:08:103:16:248:3211:09
8:54
+0:21
24M
24.00 mi14:16:393:24:538:328:29
8:29
-0:25
40K
24.85 mi14:24:023:32:168:327:23
8:38
+0:09
25.2M
25.20 mi14:27:103:35:248:333:08
9:05
+0:27
Finish
26.22 mi14:35:263:43:408:328:16
8:07
-0:58

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

8:07 /mi

Average Pace

8:32 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:11

94% of race

Time at Steady Pace

12:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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 mi11:17:4525:598:2225:59
8:22
#16592
10K
6.21 mi11:43:4451:588:2225:59
8:22
#16932
15K
9.32 mi12:09:561:18:108:2326:12
8:26
#17109
20K
12.43 mi12:36:141:44:288:2426:18
8:28
#16984
Half
13.11 mi12:42:001:50:148:255:46
8:27
#17005
25K
15.53 mi13:02:322:10:468:2520:32
8:28
#16845
30K
18.64 mi13:29:232:37:378:2726:51
8:39
#16493
20M
20.00 mi13:41:162:49:308:2811:53
8:45
#16373
21M
21.00 mi13:50:372:58:518:319:21
9:21
#16295
35K
21.75 mi13:57:013:05:158:316:24
8:33
#16261
23M
23.00 mi14:08:103:16:248:3211:09
8:54
#16186
24M
24.00 mi14:16:393:24:538:328:29
8:29
#16101
40K
24.85 mi14:24:023:32:168:327:23
8:38
#16020
25.2M
25.20 mi14:27:103:35:248:333:08
9:05
#15963
Finish
26.22 mi14:35:263:43:408:328:16
8:07
#15841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi16592109101091017342(Top 65%)11191(Top 74%)11191(Top 2038%)
10K6.21 mi3.10 mi16932-34011042-13211042-13217321(Top 65%)11225(Top 74%)11225(Top 2045%)
15K9.32 mi3.11 mi17109-17711118-7611118-7617342(Top 65%)11191(Top 74%)11191(Top 2038%)
20K12.43 mi3.11 mi16984+12511046+7211046+7216615(Top 62%)10881(Top 72%)10881(Top 1982%)
Half13.11 mi0.68 mi17005-2111048-211048-217406(Top 65%)11240(Top 74%)11240(Top 2047%)
25K15.53 mi2.42 mi16845+16010963+8510963+8515995(Top 60%)10535(Top 69%)10535(Top 1919%)
30K18.64 mi3.11 mi16493+35210790+17310790+17315171(Top 57%)10112(Top 67%)10112(Top 1842%)
20M20.00 mi1.36 mi16373+12010723+6710723+6715121(Top 57%)10037(Top 66%)10037(Top 1828%)
21M21.00 mi1.00 mi16295+7810682+4110682+4115240(Top 57%)10033(Top 66%)10033(Top 1828%)
35K21.75 mi0.75 mi16261+3410658+2410658+2415579(Top 59%)10107(Top 67%)10107(Top 1841%)
23M23.00 mi1.25 mi16186+7510614+4410614+4415552(Top 58%)10054(Top 66%)10054(Top 1831%)
24M24.00 mi1.00 mi16101+8510560+5410560+5414376(Top 54%)9480(Top 62%)9480(Top 1727%)
40K24.85 mi0.85 mi16020+8110512+4810512+4814148(Top 53%)9306(Top 61%)9306(Top 1695%)
25.2M25.20 mi0.35 mi15963+5710479+3310479+3312984(Top 49%)8764(Top 58%)8764(Top 1596%)
Finish26.22 mi1.02 mi15841+12210419+6010419+6012850(Top 48%)8704(Top 57%)8704(Top 1585%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17342

Males

11191

M65-69

11191

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17321

Males

11225

M65-69

11225

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17342

Males

11191

M65-69

11191

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16615

Males

10881

M65-69

10881

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17406

Males

11240

M65-69

11240

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15995

Males

10535

M65-69

10535

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15171

Males

10112

M65-69

10112

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15121

Males

10037

M65-69

10037

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15240

Males

10033

M65-69

10033

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15579

Males

10107

M65-69

10107

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15552

Males

10054

M65-69

10054

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14376

Males

9480

M65-69

9480

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14148

Males

9306

M65-69

9306

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12984

Males

8764

M65-69

8764

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12850

Males

8704

M65-69

8704

Passing Analysis

Category:
Athletes Passed
1993
Passed By
1242
Net Change
+751
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16592
5K → 10K170510-340#16592#16932
10K → 15K127304-177#16932#17109
15K → 20K241116+125#17109#16984
20K → Half1536-21#16984#17005
Half → 25K20242+160#17005#16845
25K → 30K38230+352#16845#16493
30K → 20M14323+120#16493#16373
20M → 21M11436+78#16373#16295
21M → 35K6935+34#16295#16261
35K → 23M12045+75#16261#16186
23M → 24M10520+85#16186#16101
24M → 40K10423+81#16101#16020
40K → 25.2M647+57#16020#15963
25.2M → Finish13715+122#15963#15841
TOTALS19931242+751
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing