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BOSTON MARATHON 2025

Kirk Palermo

Bib: 12324•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
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
7:13/mi
22:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
44:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:02/mi
1:06:23
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:30:46
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:35:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:01/mi
1:52:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:15:40
↑ 181↓ 1480.2%
20M
8:59/mi
2:27:53
↑ 64↓ 500.2%
21M
8:32/mi
2:36:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:42:18
↑ 17↓ 861.7%
23M
10:21/mi
2:55:15
↑ 23↓ 630.6%
24M
10:34/mi
3:05:49
↓ 821.3%
40K· 24.85 mi
12:40/mi
3:16:39
↓ 200.3%
25.2M
8:48/mi
3:19:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:27:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:26
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:52:30
Pace8:35 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3722:267:1322:26
7:13
-
10K
6.21 mi11:13:4344:327:1022:06
7:07
-0:06
15K
9.32 mi11:35:341:06:237:0721:51
7:02
-0:05
20K
12.43 mi11:59:571:30:467:1824:23
7:51
+0:49
Half
13.11 mi12:04:371:35:267:174:40
6:50
-1:01
25K
15.53 mi12:21:371:52:267:1417:00
7:01
+0:11
30K
18.64 mi12:44:512:15:407:1723:14
7:29
+0:28
20M
20.00 mi12:57:042:27:537:2412:13
8:59
+1:30
21M
21.00 mi13:05:362:36:257:278:32
8:32
-0:27
35K
21.75 mi13:11:292:42:187:285:53
7:52
-0:40
23M
23.00 mi13:24:262:55:157:3712:57
10:21
+2:29
24M
24.00 mi13:35:003:05:497:4510:34
10:34
+0:13
40K
24.85 mi13:45:503:16:397:5510:50
12:40
+2:06
25.2M
25.20 mi13:48:523:19:417:553:02
8:48
-3:52
Finish
26.22 mi13:57:073:27:567:568:15
8:06
-0:42

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

6:50 /mi

Average Pace

7:56 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:31

21% of race

Time at Steady Pace

1:54:49

55% of race

Time at Slower Pace

49:36

24% of race

Average Pace: 7:56 /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 mi10:51:3722:267:1322:26
7:13
#9634
10K
6.21 mi11:13:4344:327:1022:06
7:07
#9172
15K
9.32 mi11:35:341:06:237:0721:51
7:02
#8680
20K
12.43 mi11:59:571:30:467:1824:23
7:51
#9909
Half
13.11 mi12:04:371:35:267:174:40
6:50
#9695
25K
15.53 mi12:21:371:52:267:1417:00
7:01
#9011
30K
18.64 mi12:44:512:15:407:1723:14
7:29
#8655
20M
20.00 mi12:57:042:27:537:2412:13
8:59
#9335
21M
21.00 mi13:05:362:36:257:278:32
8:32
#9387
35K
21.75 mi13:11:292:42:187:285:53
7:52
#9426
23M
23.00 mi13:24:262:55:157:3712:57
10:21
#10507
24M
24.00 mi13:35:003:05:497:4510:34
10:34
#11342
40K
24.85 mi13:45:503:16:397:5510:50
12:40
#12577
25.2M
25.20 mi13:48:523:19:417:553:02
8:48
#12537
Finish
26.22 mi13:57:073:27:567:568:15
8:06
#12555
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9634797379737842(Top 28%)6838(Top 42%)6838(Top 287%)
10K6.21 mi3.10 mi9172+4627704+2697704+2698786(Top 31%)7471(Top 46%)7471(Top 313%)
15K9.32 mi3.11 mi8680+4927397+3077397+3077842(Top 28%)6838(Top 42%)6838(Top 287%)
20K12.43 mi3.11 mi9909-12298062-6658062-66513643(Top 48%)9707(Top 60%)9707(Top 407%)
Half13.11 mi0.68 mi9695+2147939+1237939+1236520(Top 23%)5860(Top 36%)5860(Top 246%)
25K15.53 mi2.42 mi9011+6847534+4057534+4056408(Top 23%)5701(Top 35%)5701(Top 239%)
30K18.64 mi3.11 mi8655+3567277+2577277+2577591(Top 27%)6343(Top 39%)6343(Top 266%)
20M20.00 mi1.36 mi9335-6807623-3467623-34616712(Top 59%)10682(Top 66%)10682(Top 448%)
21M21.00 mi1.00 mi9387-527617+67617+610685(Top 38%)7717(Top 48%)7717(Top 323%)
35K21.75 mi0.75 mi9426-397615+27615+211275(Top 40%)8002(Top 50%)8002(Top 335%)
23M23.00 mi1.25 mi10507-10818127-5128127-51221539(Top 76%)12642(Top 78%)12642(Top 530%)
24M24.00 mi1.00 mi11342-8358478-3518478-35122979(Top 81%)13290(Top 83%)13290(Top 557%)
40K24.85 mi0.85 mi12577-12359051-5739051-57325889(Top 91%)14732(Top 91%)14732(Top 617%)
25.2M25.20 mi0.35 mi12537+409013+389013+3810583(Top 37%)7275(Top 45%)7275(Top 305%)
Finish26.22 mi1.02 mi12555-188994+198994+1913536(Top 48%)8783(Top 55%)8783(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7842

Males

6838

M45-49

6838

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8786

Males

7471

M45-49

7471

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7842

Males

6838

M45-49

6838

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13643

Males

9707

M45-49

9707

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6520

Males

5860

M45-49

5860

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6408

Males

5701

M45-49

5701

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7591

Males

6343

M45-49

6343

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16712

Males

10682

M45-49

10682

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10685

Males

7717

M45-49

7717

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11275

Males

8002

M45-49

8002

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21539

Males

12642

M45-49

12642

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22979

Males

13290

M45-49

13290

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25889

Males

14732

M45-49

14732

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10583

Males

7275

M45-49

7275

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13536

Males

8783

M45-49

8783

Passing Analysis

Category:
Athletes Passed
2663
Passed By
5581
Net Change
-2921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9634
5K → 10K52563+462#9634#9172
10K → 15K50917+492#9172#8680
15K → 20K311259-1229#8680#9909
20K → Half2140+214#9909#9695
Half → 25K6840+684#9695#9011
25K → 30K41559+356#9011#8655
30K → 20M19699-680#8655#9335
20M → 21M71123-52#9335#9387
21M → 35K5493-39#9387#9426
35K → 23M51084-1081#9426#10507
23M → 24M12847-835#10507#11342
24M → 40K41239-1235#11342#12577
40K → 25.2M5616+40#12577#12537
25.2M → Finish6482-18#12537#12555
TOTALS26635581-2921
📊

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