Boston Marathon logo
BOSTON MARATHON 2025

Daniel Matisoff

Bib: 11123•M

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M45-49)
#0 / 2386
Top 33%
Race Day Weather
50°/40°F
broken 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
7:06/mi
22:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:06/mi
1:06:10
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:28:25
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:33:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:50:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:12:45
↑ 181↓ 1480.2%
20M
7:23/mi
2:22:47
↑ 64↓ 500.2%
21M
7:50/mi
2:30:37
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:35:54
↑ 17↓ 861.7%
23M
7:32/mi
2:45:20
↑ 23↓ 630.6%
24M
7:23/mi
2:52:43
↓ 821.3%
40K· 24.85 mi
7:41/mi
2:59:17
↓ 200.3%
25.2M
8:33/mi
3:02:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:09:59
↑ 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
Time1:33:07
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:36:52
Pace7:23 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4222:037:0622:03
7:06
-
10K
6.21 mi11:11:4444:057:0622:02
7:06
0:00
15K
9.32 mi11:33:491:06:107:0622:05
7:06
0:00
20K
12.43 mi11:56:041:28:257:0722:15
7:10
+0:04
Half
13.11 mi12:00:461:33:077:064:42
6:53
-0:17
25K
15.53 mi12:17:551:50:167:0617:09
7:04
+0:11
30K
18.64 mi12:40:242:12:457:0722:29
7:14
+0:10
20M
20.00 mi12:50:262:22:477:0810:02
7:23
+0:09
21M
21.00 mi12:58:162:30:377:107:50
7:50
+0:27
35K
21.75 mi13:03:332:35:547:105:17
7:04
-0:46
23M
23.00 mi13:12:592:45:207:119:26
7:32
+0:28
24M
24.00 mi13:20:222:52:437:127:23
7:23
-0:09
40K
24.85 mi13:26:562:59:177:136:34
7:41
+0:18
25.2M
25.20 mi13:29:533:02:147:142:57
8:33
+0:52
Finish
26.22 mi13:37:383:09:597:157:45
7:36
-0:57

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

7:15 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:42

2% of race

Time at Steady Pace

2:30:45

79% of race

Time at Slower Pace

34:32

18% of race

Average Pace: 7:15 /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 mi10:49:4222:037:0622:03
7:06
#8598
10K
6.21 mi11:11:4444:057:0622:02
7:06
#8596
15K
9.32 mi11:33:491:06:107:0622:05
7:06
#8460
20K
12.43 mi11:56:041:28:257:0722:15
7:10
#8271
Half
13.11 mi12:00:461:33:077:064:42
6:53
#8184
25K
15.53 mi12:17:551:50:167:0617:09
7:04
#7911
30K
18.64 mi12:40:242:12:457:0722:29
7:14
#7478
20M
20.00 mi12:50:262:22:477:0810:02
7:23
#7325
21M
21.00 mi12:58:162:30:377:107:50
7:50
#7206
35K
21.75 mi13:03:332:35:547:105:17
7:04
#7109
23M
23.00 mi13:12:592:45:207:119:26
7:32
#7031
24M
24.00 mi13:20:222:52:437:127:23
7:23
#6984
40K
24.85 mi13:26:562:59:177:136:34
7:41
#6958
25.2M
25.20 mi13:29:533:02:147:142:57
8:33
#6979
Finish
26.22 mi13:37:383:09:597:157:45
7:36
#7060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8598737573758376(Top 29%)7161(Top 44%)7161(Top 300%)
10K6.21 mi3.10 mi8596+27351+247351+248584(Top 30%)7347(Top 46%)7347(Top 308%)
15K9.32 mi3.11 mi8460+1367254+977254+978376(Top 29%)7161(Top 44%)7161(Top 300%)
20K12.43 mi3.11 mi8271+1897121+1337121+1337888(Top 28%)6795(Top 42%)6795(Top 285%)
Half13.11 mi0.68 mi8184+877058+637058+636777(Top 24%)6042(Top 38%)6042(Top 253%)
25K15.53 mi2.42 mi7911+2736877+1816877+1816789(Top 24%)5966(Top 37%)5966(Top 250%)
30K18.64 mi3.11 mi7478+4336549+3286549+3286101(Top 21%)5381(Top 33%)5381(Top 226%)
20M20.00 mi1.36 mi7325+1536410+1396410+1396273(Top 22%)5378(Top 33%)5378(Top 225%)
21M21.00 mi1.00 mi7206+1196292+1186292+1186355(Top 22%)5291(Top 33%)5291(Top 222%)
35K21.75 mi0.75 mi7109+976207+856207+855752(Top 20%)4888(Top 30%)4888(Top 205%)
23M23.00 mi1.25 mi7031+786117+906117+906799(Top 24%)5466(Top 34%)5466(Top 229%)
24M24.00 mi1.00 mi6984+476050+676050+676909(Top 24%)5462(Top 34%)5462(Top 229%)
40K24.85 mi0.85 mi6958+266009+416009+417912(Top 28%)5932(Top 37%)5932(Top 249%)
25.2M25.20 mi0.35 mi6979-216015-66015-68997(Top 32%)6416(Top 40%)6416(Top 269%)
Finish26.22 mi1.02 mi7060-816033-186033-189919(Top 35%)6928(Top 43%)6928(Top 290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8376

Males

7161

M45-49

7161

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8584

Males

7347

M45-49

7347

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8376

Males

7161

M45-49

7161

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7888

Males

6795

M45-49

6795

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6777

Males

6042

M45-49

6042

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6789

Males

5966

M45-49

5966

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

6101

Males

5381

M45-49

5381

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6273

Males

5378

M45-49

5378

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6355

Males

5291

M45-49

5291

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5752

Males

4888

M45-49

4888

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6799

Males

5466

M45-49

5466

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6909

Males

5462

M45-49

5462

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7912

Males

5932

M45-49

5932

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8997

Males

6416

M45-49

6416

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9919

Males

6928

M45-49

6928

Passing Analysis

Category:
Athletes Passed
2285
Passed By
747
Net Change
+1538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8598
5K → 10K211209+2#8598#8596
10K → 15K22791+136#8596#8460
15K → 20K25364+189#8460#8271
20K → Half870+87#8271#8184
Half → 25K28613+273#8184#7911
25K → 30K45017+433#7911#7478
30K → 20M18229+153#7478#7325
20M → 21M14526+119#7325#7206
21M → 35K1003+97#7206#7109
35K → 23M12244+78#7109#7031
23M → 24M8942+47#7031#6984
24M → 40K6943+26#6984#6958
40K → 25.2M1738-21#6958#6979
25.2M → Finish47128-81#6979#7060
TOTALS2285747+1538
📊

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