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BOSTON MARATHON 2025

Christopher Nixon-Giles

Bib: 6698•M

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #6491
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:08
Rank: #6099 (+392)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:03:04
Rank: #5876 (+223)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:15
Rank: #5755 (+121)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:28:56
Rank: #5802 (-47)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:45:41
Rank: #5741 (+61)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:08:26
Rank: #5889 (-148)
25K → 30K
22:45 | 7:19/mi
20M
2:18:43
Rank: #5983 (-94)
30K → 20M
10:17 | 7:34/mi
21M
2:26:36
Rank: #5962 (+21)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:32:10
Rank: #6014 (-52)
21M → 35K
5:34 | 7:26/mi
23M
2:41:47
Rank: #6006 (+8)
35K → 23M
9:37 | 7:41/mi
24M
2:49:24
Rank: #6059 (-53)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
2:55:42
Rank: #5994 (+65)
24M → 40K
6:18 | 7:22/mi
25.2M
2:58:28
Rank: #5960 (+34)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:05:19
Rank: #5817 (+143)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:56
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2021:126:4921:12
6:49
-
10K
6.21 mi10:48:1642:086:4720:56
6:44
-0:05
15K
9.32 mi11:09:121:03:046:4620:56
6:44
0:00
20K
12.43 mi11:30:231:24:156:4721:11
6:49
+0:05
Half
13.11 mi11:35:041:28:566:474:41
6:52
+0:03
25K
15.53 mi11:51:491:45:416:4816:45
6:55
+0:03
30K
18.64 mi12:14:342:08:266:5322:45
7:19
+0:24
20M
20.00 mi12:24:512:18:436:5610:17
7:34
+0:15
21M
21.00 mi12:32:442:26:366:597:53
7:53
+0:19
35K
21.75 mi12:38:182:32:107:005:34
7:26
-0:27
23M
23.00 mi12:47:552:41:477:029:37
7:41
+0:15
24M
24.00 mi12:55:322:49:247:047:37
7:37
-0:04
40K
24.85 mi13:01:502:55:427:046:18
7:22
-0:15
25.2M
25.20 mi13:04:362:58:287:052:46
8:01
+0:39
Finish
26.22 mi13:11:273:05:197:046:51
6:43
-1:18

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

6:43 /mi

Average Pace

7:04 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:35

76% of race

Time at Steady Pace

40:58

22% of race

Time at Slower Pace

2:46

1% of race

Average Pace: 7:04 /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 mi10:27:2021:126:4921:12
6:49
#6491
10K
6.21 mi10:48:1642:086:4720:56
6:44
#6099
15K
9.32 mi11:09:121:03:046:4620:56
6:44
#5876
20K
12.43 mi11:30:231:24:156:4721:11
6:49
#5755
Half
13.11 mi11:35:041:28:566:474:41
6:52
#5802
25K
15.53 mi11:51:491:45:416:4816:45
6:55
#5741
30K
18.64 mi12:14:342:08:266:5322:45
7:19
#5889
20M
20.00 mi12:24:512:18:436:5610:17
7:34
#5983
21M
21.00 mi12:32:442:26:366:597:53
7:53
#5962
35K
21.75 mi12:38:182:32:107:005:34
7:26
#6014
23M
23.00 mi12:47:552:41:477:029:37
7:41
#6006
24M
24.00 mi12:55:322:49:247:047:37
7:37
#6059
40K
24.85 mi13:01:502:55:427:046:18
7:22
#5994
25.2M
25.20 mi13:04:362:58:287:052:46
8:01
#5960
Finish
26.22 mi13:11:273:05:197:046:51
6:43
#5817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6491590859085433(Top 19%)4992(Top 31%)4992(Top 88%)
10K6.21 mi3.10 mi6099+3925591+3175591+3175689(Top 20%)5218(Top 32%)5218(Top 92%)
15K9.32 mi3.11 mi5876+2235392+1995392+1995433(Top 19%)4992(Top 31%)4992(Top 88%)
20K12.43 mi3.11 mi5755+1215284+1085284+1085479(Top 19%)5006(Top 31%)5006(Top 89%)
Half13.11 mi0.68 mi5802-475319-355319-356589(Top 23%)5885(Top 37%)5885(Top 104%)
25K15.53 mi2.42 mi5741+615259+605259+605719(Top 20%)5172(Top 32%)5172(Top 92%)
30K18.64 mi3.11 mi5889-1485354-955354-956561(Top 23%)5682(Top 35%)5682(Top 101%)
20M20.00 mi1.36 mi5983-945406-525406-527429(Top 26%)6089(Top 38%)6089(Top 108%)
21M21.00 mi1.00 mi5962+215376+305376+306651(Top 23%)5462(Top 34%)5462(Top 97%)
35K21.75 mi0.75 mi6014-525402-265402-268143(Top 29%)6366(Top 40%)6366(Top 113%)
23M23.00 mi1.25 mi6006+85388+145388+147751(Top 27%)6010(Top 37%)6010(Top 107%)
24M24.00 mi1.00 mi6059-535413-255413-258478(Top 30%)6354(Top 39%)6354(Top 113%)
40K24.85 mi0.85 mi5994+655342+715342+715990(Top 21%)4836(Top 30%)4836(Top 86%)
25.2M25.20 mi0.35 mi5960+345309+335309+335987(Top 21%)4713(Top 29%)4713(Top 84%)
Finish26.22 mi1.02 mi5817+1435180+1295180+1294003(Top 14%)3436(Top 21%)3436(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5433

Males

4992

M18-39

4992

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5689

Males

5218

M18-39

5218

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5433

Males

4992

M18-39

4992

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5479

Males

5006

M18-39

5006

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6589

Males

5885

M18-39

5885

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5719

Males

5172

M18-39

5172

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6561

Males

5682

M18-39

5682

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7429

Males

6089

M18-39

6089

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6651

Males

5462

M18-39

5462

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8143

Males

6366

M18-39

6366

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7751

Males

6010

M18-39

6010

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8478

Males

6354

M18-39

6354

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5990

Males

4836

M18-39

4836

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5987

Males

4713

M18-39

4713

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4003

Males

3436

M18-39

3436

Passing Analysis

Category:
Athletes Passed
1747
Passed By
1073
Net Change
+674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6491
5K → 10K44755+392#6491#6099
10K → 15K26542+223#6099#5876
15K → 20K18867+121#5876#5755
20K → Half1057-47#5755#5802
Half → 25K15493+61#5802#5741
25K → 30K140288-148#5741#5889
30K → 20M48142-94#5889#5983
20M → 21M7453+21#5983#5962
21M → 35K2779-52#5962#6014
35K → 23M8072+8#6014#6006
23M → 24M4396-53#6006#6059
24M → 40K8015+65#6059#5994
40K → 25.2M417+34#5994#5960
25.2M → Finish1507+143#5960#5817
TOTALS17471073+674
📊

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