Boston Marathon logo
BOSTON MARATHON 2025

Rafael Diez

Bib: 6178•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M45-49)
#0 / 2386
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #5619
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:47
Rank: #5596 (+23)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:02:34
Rank: #5368 (+228)
10K → 15K
20:47 | 6:41/mi
20K· 12.43 mi
1:23:28
Rank: #5130 (+238)
15K → 20K
20:54 | 6:44/mi
Half· 13.11 mi
1:28:02
Rank: #5128 (+2)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:18
Rank: #4923 (+205)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:05:30
Rank: #4578 (+345)
25K → 30K
21:12 | 6:49/mi
20M
2:14:32
Rank: #4310 (+268)
30K → 20M
9:02 | 6:39/mi
21M
2:21:16
Rank: #4042 (+268)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:26:13
Rank: #3971 (+71)
21M → 35K
4:57 | 6:37/mi
23M
2:34:36
Rank: #3816 (+155)
35K → 23M
8:23 | 6:42/mi
24M
2:41:05
Rank: #3696 (+120)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:46:32
Rank: #3510 (+186)
24M → 40K
5:27 | 6:22/mi
25.2M
2:48:33
Rank: #3361 (+149)
40K → 25.2M
2:01 | 5:51/mi
Finish· 26.22 mi
2:54:31
Rank: #3125 (+236)
25.2M → Finish
5:58 | 5:51/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:02
Pace6:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:29
Pace6:36 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2320:536:4320:53
6:43
-
10K
6.21 mi10:46:1741:476:4320:54
6:44
+0:01
15K
9.32 mi11:07:041:02:346:4320:47
6:41
-0:03
20K
12.43 mi11:27:581:23:286:4320:54
6:44
+0:03
Half
13.11 mi11:32:321:28:026:434:34
6:42
-0:02
25K
15.53 mi11:48:481:44:186:4316:16
6:43
+0:01
30K
18.64 mi12:10:002:05:306:4421:12
6:49
+0:06
20M
20.00 mi12:19:022:14:326:449:02
6:39
-0:10
21M
21.00 mi12:25:462:21:166:446:44
6:44
+0:05
35K
21.75 mi12:30:432:26:136:434:57
6:37
-0:07
23M
23.00 mi12:39:062:34:366:438:23
6:42
+0:05
24M
24.00 mi12:45:352:41:056:436:29
6:29
-0:13
40K
24.85 mi12:51:022:46:326:425:27
6:22
-0:07
25.2M
25.20 mi12:53:032:48:336:412:01
5:51
-0:31
Finish
26.22 mi12:59:012:54:316:405:58
5:51
0:00

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

5:51 /mi

Average Pace

6:40 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:26

8% of race

Time at Steady Pace

2:41:05

92% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:25:2320:536:4320:53
6:43
#5619
10K
6.21 mi10:46:1741:476:4320:54
6:44
#5596
15K
9.32 mi11:07:041:02:346:4320:47
6:41
#5368
20K
12.43 mi11:27:581:23:286:4320:54
6:44
#5130
Half
13.11 mi11:32:321:28:026:434:34
6:42
#5128
25K
15.53 mi11:48:481:44:186:4316:16
6:43
#4923
30K
18.64 mi12:10:002:05:306:4421:12
6:49
#4578
20M
20.00 mi12:19:022:14:326:449:02
6:39
#4310
21M
21.00 mi12:25:462:21:166:446:44
6:44
#4042
35K
21.75 mi12:30:432:26:136:434:57
6:37
#3971
23M
23.00 mi12:39:062:34:366:438:23
6:42
#3816
24M
24.00 mi12:45:352:41:056:436:29
6:29
#3696
40K
24.85 mi12:51:022:46:326:425:27
6:22
#3510
25.2M
25.20 mi12:53:032:48:336:412:01
5:51
#3361
Finish
26.22 mi12:59:012:54:316:405:58
5:51
#3125
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5619519551954968(Top 17%)4620(Top 29%)4620(Top 194%)
10K6.21 mi3.10 mi5596+235170+255170+255566(Top 20%)5115(Top 32%)5115(Top 214%)
15K9.32 mi3.11 mi5368+2284970+2004970+2004968(Top 17%)4620(Top 29%)4620(Top 194%)
20K12.43 mi3.11 mi5130+2384759+2114759+2114647(Top 16%)4309(Top 27%)4309(Top 181%)
Half13.11 mi0.68 mi5128+2475947595134(Top 18%)4729(Top 29%)4729(Top 198%)
25K15.53 mi2.42 mi4923+2054575+1844575+1844187(Top 15%)3889(Top 24%)3889(Top 163%)
30K18.64 mi3.11 mi4578+3454263+3124263+3123582(Top 13%)3319(Top 21%)3319(Top 139%)
20M20.00 mi1.36 mi4310+2684025+2384025+2382229(Top 8%)2107(Top 13%)2107(Top 88%)
21M21.00 mi1.00 mi4042+2683785+2403785+2401320(Top 5%)1249(Top 8%)1249(Top 52%)
35K21.75 mi0.75 mi3971+713713+723713+723027(Top 11%)2782(Top 17%)2782(Top 117%)
23M23.00 mi1.25 mi3816+1553568+1453568+1452234(Top 8%)2085(Top 13%)2085(Top 87%)
24M24.00 mi1.00 mi3696+1203453+1153453+1151972(Top 7%)1829(Top 11%)1829(Top 77%)
40K24.85 mi0.85 mi3510+1863288+1653288+1651182(Top 4%)1104(Top 7%)1104(Top 46%)
25.2M25.20 mi0.35 mi3361+1493153+1353153+13540(Top 0.1%)36(Top 0.2%)36(Top 2%)
Finish26.22 mi1.02 mi3125+2362944+2092944+209587(Top 2%)549(Top 3%)549(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4968

Males

4620

M45-49

4620

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5566

Males

5115

M45-49

5115

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4968

Males

4620

M45-49

4620

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4647

Males

4309

M45-49

4309

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5134

Males

4729

M45-49

4729

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4187

Males

3889

M45-49

3889

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3582

Males

3319

M45-49

3319

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2229

Males

2107

M45-49

2107

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1320

Males

1249

M45-49

1249

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3027

Males

2782

M45-49

2782

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2234

Males

2085

M45-49

2085

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1972

Males

1829

M45-49

1829

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1182

Males

1104

M45-49

1104

40K→25.2M

24.9 - 25.2 mi

Top 0.1%
×1story
+13ft-16ft

Overall

40

Males

36

M45-49

36

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

587

Males

549

M45-49

549

Passing Analysis

Category:
Athletes Passed
2813
Passed By
319
Net Change
+2494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5619
5K → 10K198175+23#5619#5596
10K → 15K26436+228#5596#5368
15K → 20K26931+238#5368#5130
20K → Half2321+2#5130#5128
Half → 25K21611+205#5128#4923
25K → 30K36924+345#4923#4578
30K → 20M2680+268#4578#4310
20M → 21M2680+268#4310#4042
21M → 35K8110+71#4042#3971
35K → 23M1605+155#3971#3816
23M → 24M1266+120#3816#3696
24M → 40K1860+186#3696#3510
40K → 25.2M1490+149#3510#3361
25.2M → Finish2360+236#3361#3125
TOTALS2813319+2494
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing