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BOSTON MARATHON 2025

Jordan Kauffman

Bib: 4771•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 24%
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
6:20/mi
19:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:19/mi
39:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:20/mi
58:58
↑ 67↓ 78
20K· 12.43 mi
6:19/mi
1:18:37
↑ 106↓ 860.1%
Half· 13.11 mi
6:20/mi
1:22:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:24/mi
1:38:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:27/mi
1:58:29
↑ 181↓ 1480.2%
20M
6:30/mi
2:07:19
↑ 64↓ 500.2%
21M
6:37/mi
2:13:56
↑ 106↓ 241.6%
35K· 21.75 mi
6:04/mi
2:18:28
↑ 17↓ 861.7%
23M
6:27/mi
2:26:32
↑ 23↓ 630.6%
24M
6:14/mi
2:32:46
↓ 821.3%
40K· 24.85 mi
6:26/mi
2:38:16
↓ 200.3%
25.2M
6:49/mi
2:40:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:18/mi
2:47:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:56
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:24:06
Pace6:25 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0819:406:2019:40
6:20
-
10K
6.21 mi10:42:4539:176:1919:37
6:19
-0:01
15K
9.32 mi11:02:2658:586:2019:41
6:20
+0:01
20K
12.43 mi11:22:051:18:376:2019:39
6:19
-0:01
Half
13.11 mi11:26:241:22:566:204:19
6:20
+0:01
25K
15.53 mi11:41:541:38:266:2015:30
6:24
+0:04
30K
18.64 mi12:01:571:58:296:2120:03
6:27
+0:03
20M
20.00 mi12:10:472:07:196:228:50
6:30
+0:03
21M
21.00 mi12:17:242:13:566:236:37
6:37
+0:07
35K
21.75 mi12:21:562:18:286:224:32
6:04
-0:33
23M
23.00 mi12:30:002:26:326:228:04
6:27
+0:23
24M
24.00 mi12:36:142:32:466:226:14
6:14
-0:13
40K
24.85 mi12:41:442:38:166:225:30
6:26
+0:12
25.2M
25.20 mi12:44:052:40:376:222:21
6:49
+0:23
Finish
26.22 mi12:50:302:47:026:236:25
6:18
-0:31

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

6:04 /mi

Average Pace

6:23 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:41

99% of race

Time at Steady Pace

2:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:23:0819:406:2019:40
6:20
#2634
10K
6.21 mi10:42:4539:176:1919:37
6:19
#2570
15K
9.32 mi11:02:2658:586:2019:41
6:20
#2547
20K
12.43 mi11:22:051:18:376:2019:39
6:19
#2404
Half
13.11 mi11:26:241:22:566:204:19
6:20
#2419
25K
15.53 mi11:41:541:38:266:2015:30
6:24
#2382
30K
18.64 mi12:01:571:58:296:2120:03
6:27
#2212
20M
20.00 mi12:10:472:07:196:228:50
6:30
#2148
21M
21.00 mi12:17:242:13:566:236:37
6:37
#2053
35K
21.75 mi12:21:562:18:286:224:32
6:04
#1969
23M
23.00 mi12:30:002:26:326:228:04
6:27
#1875
24M
24.00 mi12:36:142:32:466:226:14
6:14
#1820
40K
24.85 mi12:41:442:38:166:225:30
6:26
#1773
25.2M
25.20 mi12:44:052:40:376:222:21
6:49
#1740
Finish
26.22 mi12:50:302:47:026:236:25
6:18
#1721
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2634250925092561(Top 9%)2444(Top 15%)2444(Top 43%)
10K6.21 mi3.10 mi2570+642448+612448+612504(Top 9%)2394(Top 15%)2394(Top 42%)
15K9.32 mi3.11 mi2547+232428+202428+202561(Top 9%)2444(Top 15%)2444(Top 43%)
20K12.43 mi3.11 mi2404+1432294+1342294+1342126(Top 7%)2027(Top 13%)2027(Top 36%)
Half13.11 mi0.68 mi2419-152309-152309-152671(Top 9%)2554(Top 16%)2554(Top 45%)
25K15.53 mi2.42 mi2382+372273+362273+362338(Top 8%)2223(Top 14%)2223(Top 39%)
30K18.64 mi3.11 mi2212+1702108+1652108+1651793(Top 6%)1704(Top 11%)1704(Top 30%)
20M20.00 mi1.36 mi2148+642046+622046+621639(Top 6%)1550(Top 10%)1550(Top 27%)
21M21.00 mi1.00 mi2053+951954+921954+92980(Top 3%)930(Top 6%)930(Top 16%)
35K21.75 mi0.75 mi1969+841872+821872+82876(Top 3%)821(Top 5%)821(Top 15%)
23M23.00 mi1.25 mi1875+941779+931779+931287(Top 5%)1212(Top 8%)1212(Top 21%)
24M24.00 mi1.00 mi1820+551724+551724+551130(Top 4%)1063(Top 7%)1063(Top 19%)
40K24.85 mi0.85 mi1773+471679+451679+451394(Top 5%)1295(Top 8%)1295(Top 23%)
25.2M25.20 mi0.35 mi1740+331647+321647+321049(Top 4%)967(Top 6%)967(Top 17%)
Finish26.22 mi1.02 mi1721+191630+171630+171879(Top 7%)1734(Top 11%)1734(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2561

Males

2444

M18-39

2444

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2504

Males

2394

M18-39

2394

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2561

Males

2444

M18-39

2444

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2126

Males

2027

M18-39

2027

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2671

Males

2554

M18-39

2554

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2338

Males

2223

M18-39

2223

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1793

Males

1704

M18-39

1704

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1639

Males

1550

M18-39

1550

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

980

Males

930

M18-39

930

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

876

Males

821

M18-39

821

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1287

Males

1212

M18-39

1212

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1130

Males

1063

M18-39

1063

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1394

Males

1295

M18-39

1295

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1049

Males

967

M18-39

967

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1879

Males

1734

M18-39

1734

Passing Analysis

Category:
Athletes Passed
1196
Passed By
283
Net Change
+913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2634
5K → 10K14379+64#2634#2570
10K → 15K8966+23#2570#2547
15K → 20K16118+143#2547#2404
20K → Half520-15#2404#2419
Half → 25K7336+37#2419#2382
25K → 30K18717+170#2382#2212
30K → 20M7410+64#2212#2148
20M → 21M972+95#2148#2053
21M → 35K840+84#2053#1969
35K → 23M1017+94#1969#1875
23M → 24M605+55#1875#1820
24M → 40K536+47#1820#1773
40K → 25.2M341+33#1773#1740
25.2M → Finish3516+19#1740#1721
TOTALS1196283+913
📊

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