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BOSTON MARATHON 2025

Jaron Firkus

Bib: 9318•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
Masters (Masters Men)
#0 / 10463
Top 22%
Division (M40-44)
#0 / 2247
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #5500
Start → 5K
6:42/mi
20:50 split
10K· 6.21 mi
41:54
Rank: #5776 (-276)
5K → 10K
6:47/mi
21:04 split
15K· 9.32 mi
1:03:09
Rank: #5954 (-178)
10K → 15K
6:50/mi
21:15 split
20K· 12.43 mi
1:24:29
Rank: #5931 (+23)
15K → 20K
6:52/mi
21:20 split
Half· 13.11 mi
1:29:08
Rank: #5948 (-17)
20K → Half
6:49/mi
4:39 split
25K· 15.53 mi
1:46:12
Rank: #6039 (-91)
Half → 25K
7:02/mi
17:04 split
30K· 18.64 mi
2:08:59
Rank: #6112 (-73)
25K → 30K
7:20/mi
22:47 split
20M
2:19:14
Rank: #6147 (-35)
30K → 20M
7:33/mi
10:15 split
21M
2:27:26
Rank: #6214 (-67)
20M → 21M
8:12/mi
8:12 split
35K· 21.75 mi
2:32:50
Rank: #6191 (+23)
21M → 35K
7:13/mi
5:24 split
23M
2:42:47
Rank: #6292 (-101)
35K → 23M
7:57/mi
9:57 split
24M
2:50:36
Rank: #6355 (-63)
23M → 24M
7:49/mi
7:49 split
40K· 24.85 mi
2:57:34
Rank: #6457 (-102)
24M → 40K
8:09/mi
6:58 split
25.2M
3:00:44
Rank: #6526 (-69)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:08:36
Rank: #6648 (-122)
25.2M → Finish
7:43/mi
7:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:39:28
Pace7:35 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1920:506:4220:50
6:42
-
10K
6.21 mi11:07:2341:546:4521:04
6:47
+0:05
15K
9.32 mi11:28:381:03:096:4721:15
6:50
+0:03
20K
12.43 mi11:49:581:24:296:4821:20
6:52
+0:02
Half
13.11 mi11:54:371:29:086:484:39
6:49
-0:03
25K
15.53 mi12:11:411:46:126:5017:04
7:02
+0:13
30K
18.64 mi12:34:282:08:596:5522:47
7:20
+0:18
20M
20.00 mi12:44:432:19:146:5810:15
7:33
+0:13
21M
21.00 mi12:52:552:27:267:018:12
8:12
+0:39
35K
21.75 mi12:58:192:32:507:025:24
7:13
-0:59
23M
23.00 mi13:08:162:42:477:059:57
7:57
+0:44
24M
24.00 mi13:16:052:50:367:077:49
7:49
-0:08
40K
24.85 mi13:23:032:57:347:096:58
8:09
+0:20
25.2M
25.20 mi13:26:133:00:447:103:10
9:11
+1:02
Finish
26.22 mi13:34:053:08:367:127:52
7:43
-1:28

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

6:42 /mi

Average Pace

7:12 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

47% of race

Time at Steady Pace

55:30

29% of race

Time at Slower Pace

43:58

23% of race

Average Pace: 7:12 /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 mi10:46:1920:506:4220:50
6:42
#5500
10K
6.21 mi11:07:2341:546:4521:04
6:47
#5776
15K
9.32 mi11:28:381:03:096:4721:15
6:50
#5954
20K
12.43 mi11:49:581:24:296:4821:20
6:52
#5931
Half
13.11 mi11:54:371:29:086:484:39
6:49
#5948
25K
15.53 mi12:11:411:46:126:5017:04
7:02
#6039
30K
18.64 mi12:34:282:08:596:5522:47
7:20
#6112
20M
20.00 mi12:44:432:19:146:5810:15
7:33
#6147
21M
21.00 mi12:52:552:27:267:018:12
8:12
#6214
35K
21.75 mi12:58:192:32:507:025:24
7:13
#6191
23M
23.00 mi13:08:162:42:477:059:57
7:57
#6292
24M
24.00 mi13:16:052:50:367:077:49
7:49
#6355
40K
24.85 mi13:23:032:57:347:096:58
8:09
#6457
25.2M
25.20 mi13:26:133:00:447:103:10
9:11
#6526
Finish
26.22 mi13:34:053:08:367:127:52
7:43
#6648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5500510251026482(Top 23%)5856(Top 36%)5856(Top 261%)
10K6.21 mi3.10 mi5776-2765327-2255327-2256184(Top 22%)5636(Top 35%)5636(Top 251%)
15K9.32 mi3.11 mi5954-1785459-1325459-1326482(Top 23%)5856(Top 36%)5856(Top 261%)
20K12.43 mi3.11 mi5931+235428+315428+315920(Top 21%)5368(Top 33%)5368(Top 239%)
Half13.11 mi0.68 mi5948-175441-135441-136301(Top 22%)5686(Top 35%)5686(Top 253%)
25K15.53 mi2.42 mi6039-915493-525493-526571(Top 23%)5816(Top 36%)5816(Top 259%)
30K18.64 mi3.11 mi6112-735516-235516-236647(Top 23%)5744(Top 36%)5744(Top 256%)
20M20.00 mi1.36 mi6147-355534-185534-187282(Top 26%)6006(Top 37%)6006(Top 267%)
21M21.00 mi1.00 mi6214-675576-425576-428552(Top 30%)6560(Top 41%)6560(Top 292%)
35K21.75 mi0.75 mi6191+235548+285548+286708(Top 24%)5527(Top 34%)5527(Top 246%)
23M23.00 mi1.25 mi6292-1015600-525600-529602(Top 34%)7024(Top 44%)7024(Top 313%)
24M24.00 mi1.00 mi6355-635623-235623-239886(Top 35%)7095(Top 44%)7095(Top 316%)
40K24.85 mi0.85 mi6457-1025674-515674-5111170(Top 39%)7640(Top 47%)7640(Top 340%)
25.2M25.20 mi0.35 mi6526-695706-325706-3212716(Top 45%)8301(Top 52%)8301(Top 369%)
Finish26.22 mi1.02 mi6648-1225756-505756-5010802(Top 38%)7394(Top 46%)7394(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6482

Males

5856

M40-44

5856

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6184

Males

5636

M40-44

5636

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6482

Males

5856

M40-44

5856

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5920

Males

5368

M40-44

5368

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6301

Males

5686

M40-44

5686

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6571

Males

5816

M40-44

5816

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6647

Males

5744

M40-44

5744

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7282

Males

6006

M40-44

6006

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8552

Males

6560

M40-44

6560

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6708

Males

5527

M40-44

5527

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9602

Males

7024

M40-44

7024

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9886

Males

7095

M40-44

7095

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11170

Males

7640

M40-44

7640

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12716

Males

8301

M40-44

8301

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10802

Males

7394

M40-44

7394

Passing Analysis

Category:
Athletes Passed
908
Passed By
2056
Net Change
-1148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5500
5K → 10K78354-276#5500#5776
10K → 15K82260-178#5776#5954
15K → 20K146123+23#5954#5931
20K → Half1633-17#5931#5948
Half → 25K103194-91#5948#6039
25K → 30K153226-73#6039#6112
30K → 20M6499-35#6112#6147
20M → 21M46113-67#6147#6214
21M → 35K5027+23#6214#6191
35K → 23M53154-101#6191#6292
23M → 24M41104-63#6292#6355
24M → 40K30132-102#6355#6457
40K → 25.2M877-69#6457#6526
25.2M → Finish38160-122#6526#6648
TOTALS9082056-1148
📊

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