Boston Marathon logo
BOSTON MARATHON 2023

Tim Jones

Bib: 10585•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M45-49)
#0 / 2252
Top 38%
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
7:24/mi
22:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:08:56
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:31:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:36:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:54:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:18:33
↑ 181↓ 1480.2%
20M
7:26/mi
2:28:39
↑ 64↓ 500.2%
21M
7:44/mi
2:36:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:41:46
↑ 17↓ 861.7%
23M
7:21/mi
2:50:58
↑ 23↓ 630.6%
24M
7:03/mi
2:58:01
↓ 821.3%
40K· 24.85 mi
7:05/mi
3:04:04
↓ 200.3%
25.2M
7:44/mi
3:06:44
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:13:44
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:49
Pace7:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1422:597:2422:59
7:24
-
10K
6.21 mi11:12:2146:067:2523:07
7:26
+0:02
15K
9.32 mi11:35:111:08:567:2422:50
7:21
-0:05
20K
12.43 mi11:58:091:31:547:2422:58
7:24
+0:03
Half
13.11 mi12:03:101:36:557:245:01
7:21
-0:03
25K
15.53 mi12:21:131:54:587:2418:03
7:27
+0:06
30K
18.64 mi12:44:482:18:337:2623:35
7:35
+0:08
20M
20.00 mi12:54:542:28:397:2610:06
7:26
-0:09
21M
21.00 mi13:02:382:36:237:277:44
7:44
+0:18
35K
21.75 mi13:08:012:41:467:265:23
7:12
-0:32
23M
23.00 mi13:17:132:50:587:269:12
7:21
+0:09
24M
24.00 mi13:24:162:58:017:257:03
7:03
-0:18
40K
24.85 mi13:30:193:04:047:246:03
7:05
+0:02
25.2M
25.20 mi13:32:593:06:447:252:40
7:44
+0:39
Finish
26.22 mi13:39:593:13:447:247:00
6:52
-0:52

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

6:52 /mi

Average Pace

7:24 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:45

82% of race

Time at Steady Pace

33:59

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:49:1422:597:2422:59
7:24
#8798
10K
6.21 mi11:12:2146:067:2523:07
7:26
#9327
15K
9.32 mi11:35:111:08:567:2422:50
7:21
#9145
20K
12.43 mi11:58:091:31:547:2422:58
7:24
#8955
Half
13.11 mi12:03:101:36:557:245:01
7:21
#8954
25K
15.53 mi12:21:131:54:587:2418:03
7:27
#8836
30K
18.64 mi12:44:482:18:337:2623:35
7:35
#8624
20M
20.00 mi12:54:542:28:397:2610:06
7:26
#8414
21M
21.00 mi13:02:382:36:237:277:44
7:44
#8244
35K
21.75 mi13:08:012:41:467:265:23
7:12
#8155
23M
23.00 mi13:17:132:50:587:269:12
7:21
#7943
24M
24.00 mi13:24:162:58:017:257:03
7:03
#7760
40K
24.85 mi13:30:193:04:047:246:03
7:05
#7576
25.2M
25.20 mi13:32:593:06:447:252:40
7:44
#7536
Finish
26.22 mi13:39:593:13:447:247:00
6:52
#7364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8798747674768913(Top 33%)7482(Top 49%)7482(Top 332%)
10K6.21 mi3.10 mi9327-5297773-2977773-2979955(Top 37%)8139(Top 54%)8139(Top 361%)
15K9.32 mi3.11 mi9145+1827654+1197654+1198913(Top 33%)7482(Top 49%)7482(Top 332%)
20K12.43 mi3.11 mi8955+1907519+1357519+1358428(Top 32%)7146(Top 47%)7146(Top 317%)
Half13.11 mi0.68 mi8954+17515+47515+48931(Top 34%)7447(Top 49%)7447(Top 331%)
25K15.53 mi2.42 mi8836+1187438+777438+778342(Top 31%)7021(Top 46%)7021(Top 312%)
30K18.64 mi3.11 mi8624+2127267+1717267+1717869(Top 30%)6604(Top 44%)6604(Top 293%)
20M20.00 mi1.36 mi8414+2107115+1527115+1526366(Top 24%)5560(Top 37%)5560(Top 247%)
21M21.00 mi1.00 mi8244+1706990+1256990+1255808(Top 22%)5060(Top 33%)5060(Top 225%)
35K21.75 mi0.75 mi8155+896921+696921+696490(Top 24%)5570(Top 37%)5570(Top 247%)
23M23.00 mi1.25 mi7943+2126767+1546767+1545567(Top 21%)4890(Top 32%)4890(Top 217%)
24M24.00 mi1.00 mi7760+1836629+1386629+1384931(Top 19%)4383(Top 29%)4383(Top 195%)
40K24.85 mi0.85 mi7576+1846497+1326497+1324268(Top 16%)3803(Top 25%)3803(Top 169%)
25.2M25.20 mi0.35 mi7536+406462+356462+355056(Top 19%)4333(Top 29%)4333(Top 192%)
Finish26.22 mi1.02 mi7364+1726324+1386324+1384461(Top 17%)3894(Top 26%)3894(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8913

Males

7482

M45-49

7482

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9955

Males

8139

M45-49

8139

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8913

Males

7482

M45-49

7482

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8428

Males

7146

M45-49

7146

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8931

Males

7447

M45-49

7447

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8342

Males

7021

M45-49

7021

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7869

Males

6604

M45-49

6604

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6366

Males

5560

M45-49

5560

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5808

Males

5060

M45-49

5060

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6490

Males

5570

M45-49

5570

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5567

Males

4890

M45-49

4890

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4931

Males

4383

M45-49

4383

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4268

Males

3803

M45-49

3803

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5056

Males

4333

M45-49

4333

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4461

Males

3894

M45-49

3894

Passing Analysis

Category:
Athletes Passed
2346
Passed By
912
Net Change
+1434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8798
5K → 10K91620-529#8798#9327
10K → 15K25068+182#9327#9145
15K → 20K23343+190#9145#8955
20K → Half2625+1#8955#8954
Half → 25K16345+118#8954#8836
25K → 30K26957+212#8836#8624
30K → 20M22010+210#8624#8414
20M → 21M1799+170#8414#8244
21M → 35K9910+89#8244#8155
35K → 23M2186+212#8155#7943
23M → 24M1885+183#7943#7760
24M → 40K1862+184#7760#7576
40K → 25.2M477+40#7576#7536
25.2M → Finish1775+172#7536#7364
TOTALS2346912+1434
📊

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