Boston Marathon logo
BOSTON MARATHON 2024

Alexander Balm

Bib: 6881•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 34%
Division (M40-44)
#0 / 2009
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
7:08/mi
22:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
45:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:08:37
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:37:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:55:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:20:51
↑ 181↓ 1480.2%
20M
8:04/mi
2:31:49
↑ 64↓ 500.2%
21M
8:45/mi
2:40:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:46:32
↑ 17↓ 861.7%
23M
8:22/mi
2:57:00
↑ 23↓ 630.6%
24M
8:19/mi
3:05:19
↓ 821.3%
40K· 24.85 mi
9:24/mi
3:13:21
↓ 200.3%
25.2M
10:55/mi
3:17:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:25:35
↑ 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
Time1:37:11
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:48:24
Pace8:16 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4522:097:0822:09
7:08
-
10K
6.21 mi10:50:5645:207:1823:11
7:28
+0:20
15K
9.32 mi11:14:131:08:377:2223:17
7:30
+0:02
20K
12.43 mi11:37:451:32:097:2523:32
7:34
+0:04
Half
13.11 mi11:42:471:37:117:255:02
7:23
-0:11
25K
15.53 mi12:01:301:55:547:2818:43
7:43
+0:20
30K
18.64 mi12:26:272:20:517:3324:57
8:02
+0:19
20M
20.00 mi12:37:252:31:497:3510:58
8:04
+0:02
21M
21.00 mi12:46:102:40:347:398:45
8:45
+0:41
35K
21.75 mi12:52:082:46:327:395:58
7:59
-0:46
23M
23.00 mi13:02:362:57:007:4210:28
8:22
+0:23
24M
24.00 mi13:10:553:05:197:438:19
8:19
-0:03
40K
24.85 mi13:18:573:13:217:478:02
9:24
+1:05
25.2M
25.20 mi13:22:433:17:077:493:46
10:55
+1:31
Finish
26.22 mi13:31:113:25:357:518:28
8:19
-2:36

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

7:08 /mi

Average Pace

7:51 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:11

47% of race

Time at Steady Pace

1:27:51

43% of race

Time at Slower Pace

20:33

10% of race

Average Pace: 7:50 /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 mi10:27:4522:097:0822:09
7:08
#7863
10K
6.21 mi10:50:5645:207:1823:11
7:28
#8874
15K
9.32 mi11:14:131:08:377:2223:17
7:30
#9050
20K
12.43 mi11:37:451:32:097:2523:32
7:34
#8966
Half
13.11 mi11:42:471:37:117:255:02
7:23
#8929
25K
15.53 mi12:01:301:55:547:2818:43
7:43
#8799
30K
18.64 mi12:26:272:20:517:3324:57
8:02
#8527
20M
20.00 mi12:37:252:31:497:3510:58
8:04
#8341
21M
21.00 mi12:46:102:40:347:398:45
8:45
#8217
35K
21.75 mi12:52:082:46:327:395:58
7:59
#8144
23M
23.00 mi13:02:362:57:007:4210:28
8:22
#8013
24M
24.00 mi13:10:553:05:197:438:19
8:19
#7977
40K
24.85 mi13:18:573:13:217:478:02
9:24
#8161
25.2M
25.20 mi13:22:433:17:077:493:46
10:55
#8272
Finish
26.22 mi13:31:113:25:357:518:28
8:19
#8317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7863673767379629(Top 38%)7616(Top 52%)7616(Top 379%)
10K6.21 mi3.10 mi8874-10117295-5587295-5589935(Top 39%)7844(Top 54%)7844(Top 390%)
15K9.32 mi3.11 mi9050-1767380-857380-859629(Top 38%)7616(Top 52%)7616(Top 379%)
20K12.43 mi3.11 mi8966+847300+807300+808911(Top 35%)7123(Top 49%)7123(Top 355%)
Half13.11 mi0.68 mi8929+377267+337267+338176(Top 32%)6724(Top 46%)6724(Top 335%)
25K15.53 mi2.42 mi8799+1307157+1107157+1108411(Top 33%)6657(Top 46%)6657(Top 331%)
30K18.64 mi3.11 mi8527+2726904+2536904+2538033(Top 31%)6230(Top 43%)6230(Top 310%)
20M20.00 mi1.36 mi8341+1866738+1666738+1667169(Top 28%)5537(Top 38%)5537(Top 276%)
21M21.00 mi1.00 mi8217+1246613+1256613+1257378(Top 29%)5476(Top 38%)5476(Top 273%)
35K21.75 mi0.75 mi8144+736540+736540+737623(Top 30%)5553(Top 38%)5553(Top 276%)
23M23.00 mi1.25 mi8013+1316404+1366404+1367673(Top 30%)5426(Top 37%)5426(Top 270%)
24M24.00 mi1.00 mi7977+366345+596345+598371(Top 33%)5694(Top 39%)5694(Top 283%)
40K24.85 mi0.85 mi8161-1846387-426387-4212668(Top 50%)7757(Top 53%)7757(Top 386%)
25.2M25.20 mi0.35 mi8272-1116424-376424-3714177(Top 55%)8489(Top 58%)8489(Top 423%)
Finish26.22 mi1.02 mi8317-456415+96415+910368(Top 41%)6663(Top 46%)6663(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9629

Males

7616

M40-44

7616

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

9935

Males

7844

M40-44

7844

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9629

Males

7616

M40-44

7616

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

8911

Males

7123

M40-44

7123

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8176

Males

6724

M40-44

6724

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8411

Males

6657

M40-44

6657

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8033

Males

6230

M40-44

6230

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7169

Males

5537

M40-44

5537

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7378

Males

5476

M40-44

5476

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7623

Males

5553

M40-44

5553

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7673

Males

5426

M40-44

5426

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8371

Males

5694

M40-44

5694

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

12668

Males

7757

M40-44

7757

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14177

Males

8489

M40-44

8489

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10368

Males

6663

M40-44

6663

Passing Analysis

Category:
Athletes Passed
2050
Passed By
2504
Net Change
-454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7863
5K → 10K411052-1011#7863#8874
10K → 15K125301-176#8874#9050
15K → 20K237153+84#9050#8966
20K → Half5417+37#8966#8929
Half → 25K248118+130#8929#8799
25K → 30K407135+272#8799#8527
30K → 20M22034+186#8527#8341
20M → 21M19167+124#8341#8217
21M → 35K10835+73#8217#8144
35K → 23M18857+131#8144#8013
23M → 24M10064+36#8013#7977
24M → 40K50234-184#7977#8161
40K → 25.2M21132-111#8161#8272
25.2M → Finish60105-45#8272#8317
TOTALS20502504-454
📊

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