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BOSTON MARATHON 2025

Chris Anderson

Bib: 12822•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M50-54)
#0 / 1996
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:52
Rank: #10923
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:50
Rank: #11002 (-79)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:08:39
Rank: #10758 (+244)
10K → 15K
22:49 | 7:21/mi
20K· 12.43 mi
1:31:35
Rank: #10476 (+282)
15K → 20K
22:56 | 7:23/mi
Half· 13.11 mi
1:36:31
Rank: #10411 (+65)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:54:19
Rank: #10087 (+324)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:17:03
Rank: #9283 (+804)
25K → 30K
22:44 | 7:19/mi
20M
2:27:18
Rank: #9098 (+185)
30K → 20M
10:15 | 7:33/mi
21M
2:35:06
Rank: #8850 (+248)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:40:20
Rank: #8668 (+182)
21M → 35K
5:14 | 7:00/mi
23M
2:49:31
Rank: #8375 (+293)
35K → 23M
9:11 | 7:20/mi
24M
2:56:39
Rank: #8185 (+190)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
3:02:49
Rank: #8020 (+165)
24M → 40K
6:10 | 7:13/mi
25.2M
3:05:35
Rank: #7961 (+59)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:12:29
Rank: #7738 (+223)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:58
Pace7:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2422:527:2222:52
7:22
-
10K
6.21 mi11:13:2245:507:2322:58
7:24
+0:02
15K
9.32 mi11:36:111:08:397:2222:49
7:21
-0:03
20K
12.43 mi11:59:071:31:357:2222:56
7:23
+0:02
Half
13.11 mi12:04:031:36:317:224:56
7:14
-0:09
25K
15.53 mi12:21:511:54:197:2217:48
7:20
+0:06
30K
18.64 mi12:44:352:17:037:2122:44
7:19
-0:01
20M
20.00 mi12:54:502:27:187:2210:15
7:33
+0:14
21M
21.00 mi13:02:382:35:067:237:48
7:48
+0:15
35K
21.75 mi13:07:522:40:207:225:14
7:00
-0:48
23M
23.00 mi13:17:032:49:317:229:11
7:20
+0:20
24M
24.00 mi13:24:112:56:397:227:08
7:08
-0:12
40K
24.85 mi13:30:213:02:497:216:10
7:13
+0:05
25.2M
25.20 mi13:33:073:05:357:222:46
8:01
+0:48
Finish
26.22 mi13:40:013:12:297:216:54
6:46
-1:15

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

6:46 /mi

Average Pace

7:21 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:40

89% of race

Time at Steady Pace

18:03

9% of race

Time at Slower Pace

2:46

1% of race

Average Pace: 7:20 /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 mi10:50:2422:527:2222:52
7:22
#10923
10K
6.21 mi11:13:2245:507:2322:58
7:24
#11002
15K
9.32 mi11:36:111:08:397:2222:49
7:21
#10758
20K
12.43 mi11:59:071:31:357:2222:56
7:23
#10476
Half
13.11 mi12:04:031:36:317:224:56
7:14
#10411
25K
15.53 mi12:21:511:54:197:2217:48
7:20
#10087
30K
18.64 mi12:44:352:17:037:2122:44
7:19
#9283
20M
20.00 mi12:54:502:27:187:2210:15
7:33
#9098
21M
21.00 mi13:02:382:35:067:237:48
7:48
#8850
35K
21.75 mi13:07:522:40:207:225:14
7:00
#8668
23M
23.00 mi13:17:032:49:317:229:11
7:20
#8375
24M
24.00 mi13:24:112:56:397:227:08
7:08
#8185
40K
24.85 mi13:30:213:02:497:216:10
7:13
#8020
25.2M
25.20 mi13:33:073:05:357:222:46
8:01
#7961
Finish
26.22 mi13:40:013:12:297:216:54
6:46
#7738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi109238648864810340(Top 36%)8259(Top 51%)8259(Top 414%)
10K6.21 mi3.10 mi11002-798667-198667-1911112(Top 39%)8708(Top 54%)8708(Top 436%)
15K9.32 mi3.11 mi10758+2448521+1468521+14610340(Top 36%)8259(Top 51%)8259(Top 414%)
20K12.43 mi3.11 mi10476+2828357+1648357+1649708(Top 34%)7847(Top 49%)7847(Top 393%)
Half13.11 mi0.68 mi10411+658311+468311+469264(Top 33%)7607(Top 47%)7607(Top 381%)
25K15.53 mi2.42 mi10087+3248105+2068105+2068658(Top 30%)7144(Top 44%)7144(Top 358%)
30K18.64 mi3.11 mi9283+8047622+4837622+4836544(Top 23%)5680(Top 35%)5680(Top 285%)
20M20.00 mi1.36 mi9098+1857494+1287494+1287290(Top 26%)6014(Top 37%)6014(Top 301%)
21M21.00 mi1.00 mi8850+2487319+1757319+1756192(Top 22%)5193(Top 32%)5193(Top 260%)
35K21.75 mi0.75 mi8668+1827188+1317188+1315347(Top 19%)4629(Top 29%)4629(Top 232%)
23M23.00 mi1.25 mi8375+2936971+2176971+2175655(Top 20%)4780(Top 30%)4780(Top 239%)
24M24.00 mi1.00 mi8185+1906820+1516820+1515419(Top 19%)4553(Top 28%)4553(Top 228%)
40K24.85 mi0.85 mi8020+1656680+1406680+1405125(Top 18%)4296(Top 27%)4296(Top 215%)
25.2M25.20 mi0.35 mi7961+596632+486632+486061(Top 21%)4787(Top 30%)4787(Top 240%)
Finish26.22 mi1.02 mi7738+2236469+1636469+1634343(Top 15%)3687(Top 23%)3687(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10340

Males

8259

M50-54

8259

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11112

Males

8708

M50-54

8708

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10340

Males

8259

M50-54

8259

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9708

Males

7847

M50-54

7847

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9264

Males

7607

M50-54

7607

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8658

Males

7144

M50-54

7144

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6544

Males

5680

M50-54

5680

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7290

Males

6014

M50-54

6014

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6192

Males

5193

M50-54

5193

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5347

Males

4629

M50-54

4629

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5655

Males

4780

M50-54

4780

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5419

Males

4553

M50-54

4553

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5125

Males

4296

M50-54

4296

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6061

Males

4787

M50-54

4787

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4343

Males

3687

M50-54

3687

Passing Analysis

Category:
Athletes Passed
3682*
Passed By
497
Net Change
+3185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10923
5K → 10K226305-79#10923#11002
10K → 15K30359+244#11002#10758
15K → 20K32846+282#10758#10476
20K → Half7813+65#10476#10411
Half → 25K34420+324#10411#10087
25K → 30K805*1+804#10087#9283
30K → 20M20823+185#9283#9098
20M → 21M2557+248#9098#8850
21M → 35K1831+182#8850#8668
35K → 23M2963+293#8668#8375
23M → 24M1955+190#8375#8185
24M → 40K1694+165#8185#8020
40K → 25.2M667+59#8020#7961
25.2M → Finish2263+223#7961#7738
TOTALS3682*497+3185

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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