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BOSTON MARATHON 2025

Marc Saunders

Bib: 11701•M

NL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 42%
Division (M45-49)
#0 / 2386
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
7:12/mi
22:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:08:06
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:31:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:36:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:54:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:18:52
↑ 181↓ 1480.2%
20M
8:14/mi
2:30:03
↑ 64↓ 500.2%
21M
9:02/mi
2:39:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
2:45:35
↑ 17↓ 861.7%
23M
8:37/mi
2:56:22
↑ 23↓ 630.6%
24M
8:38/mi
3:05:00
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:12:18
↓ 200.3%
25.2M
9:20/mi
3:15:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:23:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:00
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:47:55
Pace8:14 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1222:237:1222:23
7:12
-
10K
6.21 mi11:13:1045:217:1822:58
7:24
+0:12
15K
9.32 mi11:35:551:08:067:1822:45
7:19
-0:05
20K
12.43 mi11:58:501:31:017:1922:55
7:23
+0:04
Half
13.11 mi12:03:491:36:007:194:59
7:18
-0:05
25K
15.53 mi12:21:531:54:047:2118:04
7:27
+0:09
30K
18.64 mi12:46:412:18:527:2724:48
7:59
+0:32
20M
20.00 mi12:57:522:30:037:3011:11
8:14
+0:15
21M
21.00 mi13:06:542:39:057:359:02
9:02
+0:48
35K
21.75 mi13:13:242:45:357:376:30
8:41
-0:21
23M
23.00 mi13:24:112:56:227:4010:47
8:37
-0:04
24M
24.00 mi13:32:493:05:007:438:38
8:38
+0:01
40K
24.85 mi13:40:073:12:187:447:18
8:32
-0:06
25.2M
25.20 mi13:43:203:15:317:463:13
9:20
+0:48
Finish
26.22 mi13:51:443:23:557:478:24
8:15
-1:05

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

7:12 /mi

Average Pace

7:47 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:04

56% of race

Time at Steady Pace

51:41

25% of race

Time at Slower Pace

38:10

19% of race

Average Pace: 7:47 /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 mi10:50:1222:237:1222:23
7:12
#9497
10K
6.21 mi11:13:1045:217:1822:58
7:24
#10325
15K
9.32 mi11:35:551:08:067:1822:45
7:19
#10263
20K
12.43 mi11:58:501:31:017:1922:55
7:23
#10083
Half
13.11 mi12:03:491:36:007:194:59
7:18
#10071
25K
15.53 mi12:21:531:54:047:2118:04
7:27
#9935
30K
18.64 mi12:46:412:18:527:2724:48
7:59
#10144
20M
20.00 mi12:57:522:30:037:3011:11
8:14
#10270
21M
21.00 mi13:06:542:39:057:359:02
9:02
#10490
35K
21.75 mi13:13:242:45:357:376:30
8:41
#10710
23M
23.00 mi13:24:112:56:227:4010:47
8:37
#10891
24M
24.00 mi13:32:493:05:007:438:38
8:38
#11059
40K
24.85 mi13:40:073:12:187:447:18
8:32
#11154
25.2M
25.20 mi13:43:203:15:317:463:13
9:20
#11182
Finish
26.22 mi13:51:443:23:557:478:24
8:15
#11310
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi94977890789010164(Top 36%)8177(Top 51%)8177(Top 343%)
10K6.21 mi3.10 mi10325-8288331-4418331-44111125(Top 39%)8721(Top 54%)8721(Top 366%)
15K9.32 mi3.11 mi10263+628281+508281+5010164(Top 36%)8177(Top 51%)8177(Top 343%)
20K12.43 mi3.11 mi10083+1808153+1288153+1289685(Top 34%)7840(Top 49%)7840(Top 329%)
Half13.11 mi0.68 mi10071+128136+178136+1710021(Top 35%)8043(Top 50%)8043(Top 337%)
25K15.53 mi2.42 mi9935+1368037+998037+999555(Top 34%)7631(Top 47%)7631(Top 320%)
30K18.64 mi3.11 mi10144-2098079-428079-4211240(Top 40%)8304(Top 52%)8304(Top 348%)
20M20.00 mi1.36 mi10270-1268115-368115-3611977(Top 42%)8512(Top 53%)8512(Top 357%)
21M21.00 mi1.00 mi10490-2208174-598174-5913679(Top 48%)9178(Top 57%)9178(Top 385%)
35K21.75 mi0.75 mi10710-2208269-958269-9516563(Top 58%)10411(Top 65%)10411(Top 436%)
23M23.00 mi1.25 mi10891-1818307-388307-3813976(Top 49%)9149(Top 57%)9149(Top 383%)
24M24.00 mi1.00 mi11059-1688345-388345-3815322(Top 54%)9717(Top 60%)9717(Top 407%)
40K24.85 mi0.85 mi11154-958356-118356-1113640(Top 48%)8821(Top 55%)8821(Top 370%)
25.2M25.20 mi0.35 mi11182-288350+68350+613532(Top 48%)8702(Top 54%)8702(Top 365%)
Finish26.22 mi1.02 mi11310-1288371-218371-2114518(Top 51%)9259(Top 57%)9259(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10164

Males

8177

M45-49

8177

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11125

Males

8721

M45-49

8721

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10164

Males

8177

M45-49

8177

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9685

Males

7840

M45-49

7840

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

10021

Males

8043

M45-49

8043

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9555

Males

7631

M45-49

7631

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11240

Males

8304

M45-49

8304

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11977

Males

8512

M45-49

8512

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13679

Males

9178

M45-49

9178

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16563

Males

10411

M45-49

10411

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13976

Males

9149

M45-49

9149

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15322

Males

9717

M45-49

9717

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13640

Males

8821

M45-49

8821

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13532

Males

8702

M45-49

8702

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14518

Males

9259

M45-49

9259

Passing Analysis

Category:
Athletes Passed
1305*
Passed By
3113
Net Change
-1813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9497
5K → 10K46872-828#9497#10325
10K → 15K193131+62#10325#10263
15K → 20K26584+180#10263#10083
20K → Half3826+12#10083#10071
Half → 25K212*76+136#10071#9935
25K → 30K175382-209#9935#10144
30K → 20M85211-126#10144#10270
20M → 21M54274-220#10270#10490
21M → 35K15235-220#10490#10710
35K → 23M63244-181#10710#10891
23M → 24M44212-168#10891#11059
24M → 40K47142-95#11059#11154
40K → 25.2M2957-28#11154#11182
25.2M → Finish39167-128#11182#11310
TOTALS1305*3113-1813

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing