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BOSTON MARATHON 2025

Arno Pross

Bib: 11418•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M45-49)
#0 / 2386
Top 22%
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
6:49/mi
21:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:22
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:03:59
↑ 67↓ 78
20K· 12.43 mi
7:00/mi
1:25:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:30:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:00/mi
1:47:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:09:39
↑ 181↓ 1480.2%
20M
7:15/mi
2:19:30
↑ 64↓ 500.2%
21M
7:48/mi
2:27:18
↑ 106↓ 241.6%
35K· 21.75 mi
6:50/mi
2:32:25
↑ 17↓ 861.7%
23M
7:03/mi
2:41:15
↑ 23↓ 630.6%
24M
6:58/mi
2:48:13
↓ 821.3%
40K· 24.85 mi
7:07/mi
2:54:18
↓ 200.3%
25.2M
7:53/mi
2:57:01
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:03:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:28
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:33:31
Pace7:08 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4221:116:4921:11
6:49
-
10K
6.21 mi11:08:5342:226:4921:11
6:49
0:00
15K
9.32 mi11:30:301:03:596:5221:37
6:57
+0:08
20K
12.43 mi11:52:161:25:456:5421:46
7:00
+0:03
Half
13.11 mi11:56:591:30:286:544:43
6:55
-0:05
25K
15.53 mi12:13:571:47:266:5516:58
7:00
+0:05
30K
18.64 mi12:36:102:09:396:5722:13
7:09
+0:09
20M
20.00 mi12:46:012:19:306:589:51
7:15
+0:06
21M
21.00 mi12:53:492:27:187:017:48
7:48
+0:33
35K
21.75 mi12:58:562:32:257:005:07
6:50
-0:58
23M
23.00 mi13:07:462:41:157:018:50
7:03
+0:13
24M
24.00 mi13:14:442:48:137:016:58
6:58
-0:05
40K
24.85 mi13:20:492:54:187:016:05
7:07
+0:09
25.2M
25.20 mi13:23:322:57:017:012:43
7:53
+0:46
Finish
26.22 mi13:30:303:03:597:016:58
6:50
-1:03

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

6:49 /mi

Average Pace

7:01 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:28

94% of race

Time at Steady Pace

10:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:01 /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 mi10:47:4221:116:4921:11
6:49
#6463
10K
6.21 mi11:08:5342:226:4921:11
6:49
#6487
15K
9.32 mi11:30:301:03:596:5221:37
6:57
#6795
20K
12.43 mi11:52:161:25:456:5421:46
7:00
#6813
Half
13.11 mi11:56:591:30:286:544:43
6:55
#6834
25K
15.53 mi12:13:571:47:266:5516:58
7:00
#6691
30K
18.64 mi12:36:102:09:396:5722:13
7:09
#6361
20M
20.00 mi12:46:012:19:306:589:51
7:15
#6224
21M
21.00 mi12:53:492:27:187:017:48
7:48
#6176
35K
21.75 mi12:58:562:32:257:005:07
6:50
#6083
23M
23.00 mi13:07:462:41:157:018:50
7:03
#5872
24M
24.00 mi13:14:442:48:137:016:58
6:58
#5750
40K
24.85 mi13:20:492:54:187:016:05
7:07
#5642
25.2M
25.20 mi13:23:322:57:017:012:43
7:53
#5599
Finish
26.22 mi13:30:303:03:597:016:58
6:50
#5517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6463588958897350(Top 26%)6513(Top 40%)6513(Top 273%)
10K6.21 mi3.10 mi6487-245905-165905-166590(Top 23%)5956(Top 37%)5956(Top 250%)
15K9.32 mi3.11 mi6795-3086119-2146119-2147350(Top 26%)6513(Top 40%)6513(Top 273%)
20K12.43 mi3.11 mi6813-186137-186137-186893(Top 24%)6126(Top 38%)6126(Top 257%)
Half13.11 mi0.68 mi6834-216151-146151-146960(Top 25%)6180(Top 38%)6180(Top 259%)
25K15.53 mi2.42 mi6691+1436016+1356016+1356319(Top 22%)5633(Top 35%)5633(Top 236%)
30K18.64 mi3.11 mi6361+3305722+2945722+2945615(Top 20%)5027(Top 31%)5027(Top 211%)
20M20.00 mi1.36 mi6224+1375600+1225600+1225493(Top 19%)4843(Top 30%)4843(Top 203%)
21M21.00 mi1.00 mi6176+485545+555545+556178(Top 22%)5179(Top 32%)5179(Top 217%)
35K21.75 mi0.75 mi6083+935461+845461+844391(Top 15%)3920(Top 24%)3920(Top 164%)
23M23.00 mi1.25 mi5872+2115282+1795282+1794098(Top 14%)3657(Top 23%)3657(Top 153%)
24M24.00 mi1.00 mi5750+1225173+1095173+1094456(Top 16%)3877(Top 24%)3877(Top 162%)
40K24.85 mi0.85 mi5642+1085078+955078+954581(Top 16%)3913(Top 24%)3913(Top 164%)
25.2M25.20 mi0.35 mi5599+435034+445034+445296(Top 19%)4317(Top 27%)4317(Top 181%)
Finish26.22 mi1.02 mi5517+824957+774957+774719(Top 17%)3943(Top 24%)3943(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7350

Males

6513

M45-49

6513

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6590

Males

5956

M45-49

5956

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7350

Males

6513

M45-49

6513

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6893

Males

6126

M45-49

6126

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6960

Males

6180

M45-49

6180

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6319

Males

5633

M45-49

5633

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5615

Males

5027

M45-49

5027

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5493

Males

4843

M45-49

4843

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6178

Males

5179

M45-49

5179

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4391

Males

3920

M45-49

3920

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

4098

Males

3657

M45-49

3657

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4456

Males

3877

M45-49

3877

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4581

Males

3913

M45-49

3913

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5296

Males

4317

M45-49

4317

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4719

Males

3943

M45-49

3943

Passing Analysis

Category:
Athletes Passed
1888
Passed By
942
Net Change
+946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6463
5K → 10K176200-24#6463#6487
10K → 15K66374-308#6487#6795
15K → 20K124142-18#6795#6813
20K → Half1637-21#6813#6834
Half → 25K19249+143#6834#6691
25K → 30K36333+330#6691#6361
30K → 20M15821+137#6361#6224
20M → 21M8840+48#6224#6176
21M → 35K952+93#6176#6083
35K → 23M2121+211#6083#5872
23M → 24M1286+122#5872#5750
24M → 40K11911+108#5750#5642
40K → 25.2M518+43#5642#5599
25.2M → Finish10018+82#5599#5517
TOTALS1888942+946
📊

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