Boston Marathon logo
BOSTON MARATHON 2023

Toby Donovan

Bib: 26773•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:15
Rank: #23565
Start → 5K
10:04/mi
31:15 split
10K· 6.21 mi
1:01:44
Rank: #23474 (+91)
5K → 10K
9:49/mi
30:29 split
15K· 9.32 mi
1:32:18
Rank: #23377 (+97)
10K → 15K
9:50/mi
30:34 split
20K· 12.43 mi
2:04:20
Rank: #23424 (-47)
15K → 20K
10:19/mi
32:02 split
Half· 13.11 mi
2:11:15
Rank: #23434 (-10)
20K → Half
10:08/mi
6:55 split
25K· 15.53 mi
2:37:58
Rank: #23546 (-112)
Half → 25K
11:01/mi
26:43 split
30K· 18.64 mi
3:13:27
Rank: #23573 (-27)
25K → 30K
11:25/mi
35:29 split
20M
3:29:08
Rank: #23567 (+6)
30K → 20M
11:32/mi
15:41 split
21M
3:41:28
Rank: #23574 (-7)
20M → 21M
12:20/mi
12:20 split
35K· 21.75 mi
3:50:27
Rank: #23619 (-45)
21M → 35K
12:00/mi
8:59 split
23M
4:05:15
Rank: #23650 (-31)
35K → 23M
11:49/mi
14:48 split
24M
4:17:05
Rank: #23704 (-54)
23M → 24M
11:50/mi
11:50 split
40K· 24.85 mi
4:27:08
Rank: #23712 (-8)
24M → 40K
11:45/mi
10:03 split
25.2M
4:31:23
Rank: #23704 (+8)
40K → 25.2M
12:19/mi
4:15 split
Finish· 26.22 mi
4:42:28
Rank: #23706 (-2)
25.2M → Finish
10:53/mi
11:05 split

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
Time2:11:15
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:31:13
Pace11:32 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0531:1510:0431:15
10:04
-
10K
6.21 mi12:18:341:01:449:5630:29
9:49
-0:15
15K
9.32 mi12:49:081:32:189:5430:34
9:50
+0:01
20K
12.43 mi13:21:102:04:2010:0032:02
10:19
+0:29
Half
13.11 mi13:28:052:11:1510:016:55
10:08
-0:11
25K
15.53 mi13:54:482:37:5810:1026:43
11:01
+0:53
30K
18.64 mi14:30:173:13:2710:2335:29
11:25
+0:24
20M
20.00 mi14:45:583:29:0810:2715:41
11:32
+0:07
21M
21.00 mi14:58:183:41:2810:3312:20
12:20
+0:48
35K
21.75 mi15:07:173:50:2710:368:59
12:00
-0:20
23M
23.00 mi15:22:054:05:1510:4014:48
11:49
-0:11
24M
24.00 mi15:33:554:17:0510:4311:50
11:50
+0:01
40K
24.85 mi15:43:584:27:0810:4510:03
11:45
-0:05
25.2M
25.20 mi15:48:134:31:2310:464:15
12:19
+0:34
Finish
26.22 mi15:59:184:42:2810:4711:05
10:53
-1:26

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

9:49 /mi

Average Pace

10:47 /mi

Slowest Pace

12:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:20

50% of race

Time at Steady Pace

1:54:34

41% of race

Time at Slower Pace

25:34

9% of race

Average Pace: 10:46 /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 mi11:48:0531:1510:0431:15
10:04
#23565
10K
6.21 mi12:18:341:01:449:5630:29
9:49
#23474
15K
9.32 mi12:49:081:32:189:5430:34
9:50
#23377
20K
12.43 mi13:21:102:04:2010:0032:02
10:19
#23424
Half
13.11 mi13:28:052:11:1510:016:55
10:08
#23434
25K
15.53 mi13:54:482:37:5810:1026:43
11:01
#23546
30K
18.64 mi14:30:173:13:2710:2335:29
11:25
#23573
20M
20.00 mi14:45:583:29:0810:2715:41
11:32
#23567
21M
21.00 mi14:58:183:41:2810:3312:20
12:20
#23574
35K
21.75 mi15:07:173:50:2710:368:59
12:00
#23619
23M
23.00 mi15:22:054:05:1510:4014:48
11:49
#23650
24M
24.00 mi15:33:554:17:0510:4311:50
11:50
#23704
40K
24.85 mi15:43:584:27:0810:4510:03
11:45
#23712
25.2M
25.20 mi15:48:134:31:2310:464:15
12:19
#23704
Finish
26.22 mi15:59:184:42:2810:4711:05
10:53
#23706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23565138611386123148(Top 87%)13702(Top 90%)13702(Top 611%)
10K6.21 mi3.10 mi23474+9113844+1713844+1723294(Top 87%)13767(Top 91%)13767(Top 614%)
15K9.32 mi3.11 mi23377+9713811+3313811+3323148(Top 87%)13702(Top 90%)13702(Top 611%)
20K12.43 mi3.11 mi23424-4713836-2513836-2523487(Top 88%)13844(Top 91%)13844(Top 618%)
Half13.11 mi0.68 mi23434-1013846-1013846-1023542(Top 88%)13871(Top 91%)13871(Top 619%)
25K15.53 mi2.42 mi23546-11213876-3013876-3024006(Top 90%)14026(Top 92%)14026(Top 626%)
30K18.64 mi3.11 mi23573-2713868+813868+823745(Top 89%)13860(Top 91%)13860(Top 618%)
20M20.00 mi1.36 mi23567+613851+1713851+1723581(Top 89%)13728(Top 90%)13728(Top 613%)
21M21.00 mi1.00 mi23574-713848+313848+323241(Top 87%)13544(Top 89%)13544(Top 604%)
35K21.75 mi0.75 mi23619-4513866-1813866-1824685(Top 93%)14164(Top 93%)14164(Top 632%)
23M23.00 mi1.25 mi23650-3113874-813874-823746(Top 89%)13745(Top 91%)13745(Top 613%)
24M24.00 mi1.00 mi23704-5413881-713881-724310(Top 91%)13955(Top 92%)13955(Top 623%)
40K24.85 mi0.85 mi23712-813880+113880+123573(Top 89%)13569(Top 89%)13569(Top 605%)
25.2M25.20 mi0.35 mi23704+813874+613874+623002(Top 86%)13323(Top 88%)13323(Top 595%)
Finish26.22 mi1.02 mi23706-213868+613868+623740(Top 89%)13695(Top 90%)13695(Top 611%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23148

Males

13702

M40-44

13702

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23294

Males

13767

M40-44

13767

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23148

Males

13702

M40-44

13702

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23487

Males

13844

M40-44

13844

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23542

Males

13871

M40-44

13871

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

24006

Males

14026

M40-44

14026

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23745

Males

13860

M40-44

13860

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23581

Males

13728

M40-44

13728

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23241

Males

13544

M40-44

13544

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24685

Males

14164

M40-44

14164

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23746

Males

13745

M40-44

13745

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24310

Males

13955

M40-44

13955

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23573

Males

13569

M40-44

13569

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

23002

Males

13323

M40-44

13323

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23740

Males

13695

M40-44

13695

Passing Analysis

Category:
Athletes Passed
918
Passed By
1059
Net Change
-141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23565
5K → 10K262171+91#23565#23474
10K → 15K17881+97#23474#23377
15K → 20K91138-47#23377#23424
20K → Half2232-10#23424#23434
Half → 25K49161-112#23434#23546
25K → 30K91118-27#23546#23573
30K → 20M5044+6#23573#23567
20M → 21M3744-7#23567#23574
21M → 35K1459-45#23574#23619
35K → 23M3263-31#23619#23650
23M → 24M1973-54#23650#23704
24M → 40K2432-8#23704#23712
40K → 25.2M1911+8#23712#23704
25.2M → Finish3032-2#23704#23706
TOTALS9181059-141
📊

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