Boston Marathon logo
BOSTON MARATHON 2024

Jason Massmann

Bib: 10292•M

MN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
Masters (Masters Men)
#0 / 9729
Top 25%
Division (M50-54)
#0 / 1935
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
7:16/mi
22:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
45:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:07:54
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:30:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:53:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:17:20
↑ 181↓ 1480.2%
20M
7:49/mi
2:27:57
↑ 64↓ 500.2%
21M
8:10/mi
2:36:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:41:48
↑ 17↓ 861.7%
23M
8:35/mi
2:52:33
↑ 23↓ 630.6%
24M
8:32/mi
3:01:05
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:07:49
↓ 200.3%
25.2M
8:27/mi
3:10:44
↑ 13↓ 160.2%
Finish· 26.22 mi
6:53/mi
3:17:45
↑ 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
Time1:35:44
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5922:347:1622:34
7:16
-
10K
6.21 mi11:11:3045:057:1522:31
7:15
-0:01
15K
9.32 mi11:34:191:07:547:1722:49
7:21
+0:06
20K
12.43 mi11:57:111:30:467:1822:52
7:22
+0:01
Half
13.11 mi12:02:091:35:447:184:58
7:17
-0:05
25K
15.53 mi12:20:031:53:387:1917:54
7:23
+0:06
30K
18.64 mi12:43:452:17:207:2223:42
7:38
+0:15
20M
20.00 mi12:54:222:27:577:2410:37
7:49
+0:11
21M
21.00 mi13:02:322:36:077:268:10
8:10
+0:21
35K
21.75 mi13:08:132:41:487:265:41
7:36
-0:34
23M
23.00 mi13:18:582:52:337:3010:45
8:35
+0:59
24M
24.00 mi13:27:303:01:057:338:32
8:32
-0:03
40K
24.85 mi13:34:143:07:497:336:44
7:53
-0:39
25.2M
25.20 mi13:37:093:10:447:342:55
8:27
+0:34
Finish
26.22 mi13:44:103:17:457:337:01
6:53
-1:34

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

6:53 /mi

Average Pace

7:33 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:04

29% of race

Time at Steady Pace

1:43:35

52% of race

Time at Slower Pace

37:06

19% of race

Average Pace: 7:33 /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 mi10:48:5922:347:1622:34
7:16
#8888
10K
6.21 mi11:11:3045:057:1522:31
7:15
#8550
15K
9.32 mi11:34:191:07:547:1722:49
7:21
#8485
20K
12.43 mi11:57:111:30:467:1822:52
7:22
#8148
Half
13.11 mi12:02:091:35:447:184:58
7:17
#8098
25K
15.53 mi12:20:031:53:387:1917:54
7:23
#7704
30K
18.64 mi12:43:452:17:207:2223:42
7:38
#7235
20M
20.00 mi12:54:222:27:577:2410:37
7:49
#7055
21M
21.00 mi13:02:322:36:077:268:10
8:10
#6769
35K
21.75 mi13:08:132:41:487:265:41
7:36
#6666
23M
23.00 mi13:18:582:52:337:3010:45
8:35
#6709
24M
24.00 mi13:27:303:01:057:338:32
8:32
#6798
40K
24.85 mi13:34:143:07:497:336:44
7:53
#6631
25.2M
25.20 mi13:37:093:10:447:342:55
8:27
#6562
Finish
26.22 mi13:44:103:17:457:337:01
6:53
#6334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8888733273328443(Top 33%)6980(Top 48%)6980(Top 361%)
10K6.21 mi3.10 mi8550+3387101+2317101+2318247(Top 32%)6898(Top 47%)6898(Top 356%)
15K9.32 mi3.11 mi8485+657058+437058+438443(Top 33%)6980(Top 48%)6980(Top 361%)
20K12.43 mi3.11 mi8148+3376828+2306828+2307350(Top 29%)6209(Top 43%)6209(Top 321%)
Half13.11 mi0.68 mi8098+506794+346794+347466(Top 29%)6274(Top 43%)6274(Top 324%)
25K15.53 mi2.42 mi7704+3946514+2806514+2806299(Top 25%)5379(Top 37%)5379(Top 278%)
30K18.64 mi3.11 mi7235+4696151+3636151+3635754(Top 23%)4843(Top 33%)4843(Top 250%)
20M20.00 mi1.36 mi7055+1805996+1555996+1555759(Top 23%)4711(Top 32%)4711(Top 243%)
21M21.00 mi1.00 mi6769+2865755+2415755+2414783(Top 19%)3963(Top 27%)3963(Top 205%)
35K21.75 mi0.75 mi6666+1035657+985657+985530(Top 22%)4413(Top 30%)4413(Top 228%)
23M23.00 mi1.25 mi6709-435639+185639+188914(Top 35%)6054(Top 42%)6054(Top 313%)
24M24.00 mi1.00 mi6798-895653-145653-149615(Top 38%)6340(Top 43%)6340(Top 328%)
40K24.85 mi0.85 mi6631+1675505+1485505+1485145(Top 20%)3885(Top 27%)3885(Top 201%)
25.2M25.20 mi0.35 mi6562+695447+585447+584271(Top 17%)3335(Top 23%)3335(Top 172%)
Finish26.22 mi1.02 mi6334+2285264+1835264+1832684(Top 11%)2296(Top 16%)2296(Top 119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8443

Males

6980

M50-54

6980

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8247

Males

6898

M50-54

6898

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8443

Males

6980

M50-54

6980

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7350

Males

6209

M50-54

6209

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7466

Males

6274

M50-54

6274

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6299

Males

5379

M50-54

5379

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

5754

Males

4843

M50-54

4843

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

5759

Males

4711

M50-54

4711

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4783

Males

3963

M50-54

3963

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5530

Males

4413

M50-54

4413

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

8914

Males

6054

M50-54

6054

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9615

Males

6340

M50-54

6340

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5145

Males

3885

M50-54

3885

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4271

Males

3335

M50-54

3335

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2684

Males

2296

M50-54

2296

Passing Analysis

Category:
Athletes Passed
3291
Passed By
737
Net Change
+2554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8888
5K → 10K42991+338#8888#8550
10K → 15K220155+65#8550#8485
15K → 20K37942+337#8485#8148
20K → Half577+50#8148#8098
Half → 25K40915+394#8098#7704
25K → 30K50031+469#7704#7235
30K → 20M20929+180#7235#7055
20M → 21M29913+286#7055#6769
21M → 35K12219+103#6769#6666
35K → 23M112155-43#6666#6709
23M → 24M67156-89#6709#6798
24M → 40K18114+167#6798#6631
40K → 25.2M767+69#6631#6562
25.2M → Finish2313+228#6562#6334
TOTALS3291737+2554
📊

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