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BOSTON MARATHON 2025

Fallon Silcox

Bib: 20478•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 40%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:51
Rank: #18836
Start → 5K
25:51 | 8:19/mi
10K· 6.21 mi
51:35
Rank: #18623 (+213)
5K → 10K
25:44 | 8:17/mi
15K· 9.32 mi
1:17:19
Rank: #18378 (+245)
10K → 15K
25:44 | 8:17/mi
20K· 12.43 mi
1:43:18
Rank: #18074 (+304)
15K → 20K
25:59 | 8:22/mi
Half· 13.11 mi
1:48:56
Rank: #18039 (+35)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:10:11
Rank: #18138 (-99)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:37:44
Rank: #17852 (+286)
25K → 30K
27:33 | 8:52/mi
20M
2:49:33
Rank: #17625 (+227)
30K → 20M
11:49 | 8:42/mi
21M
3:00:06
Rank: #17861 (-236)
20M → 21M
10:33 | 10:33/mi
35K· 21.75 mi
3:06:33
Rank: #17783 (+78)
21M → 35K
6:27 | 8:37/mi
23M
3:17:35
Rank: #17609 (+174)
35K → 23M
11:02 | 8:49/mi
24M
3:26:28
Rank: #17560 (+49)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:33:54
Rank: #17446 (+114)
24M → 40K
7:26 | 8:42/mi
25.2M
3:37:20
Rank: #17443 (+3)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:45:40
Rank: #17305 (+138)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:56:44
Pace8:54 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2425:518:1925:51
8:19
-
10K
6.21 mi11:48:0851:358:1825:44
8:17
-0:02
15K
9.32 mi12:13:521:17:198:1825:44
8:17
0:00
20K
12.43 mi12:39:511:43:188:1925:59
8:22
+0:05
Half
13.11 mi12:45:291:48:568:195:38
8:15
-0:07
25K
15.53 mi13:06:442:10:118:2321:15
8:46
+0:31
30K
18.64 mi13:34:172:37:448:2827:33
8:52
+0:06
20M
20.00 mi13:46:062:49:338:2911:49
8:42
-0:10
21M
21.00 mi13:56:393:00:068:3510:33
10:33
+1:51
35K
21.75 mi14:03:063:06:338:356:27
8:37
-1:56
23M
23.00 mi14:14:083:17:358:3511:02
8:49
+0:12
24M
24.00 mi14:23:013:26:288:368:53
8:53
+0:04
40K
24.85 mi14:30:273:33:548:367:26
8:42
-0:11
25.2M
25.20 mi14:33:533:37:208:373:26
9:57
+1:15
Finish
26.22 mi14:42:133:45:408:378:20
8:11
-1:46

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

8:11 /mi

Average Pace

8:37 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:16

52% of race

Time at Steady Pace

1:34:25

42% of race

Time at Slower Pace

13:59

6% of race

Average Pace: 8:36 /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 mi11:22:2425:518:1925:51
8:19
#18836
10K
6.21 mi11:48:0851:358:1825:44
8:17
#18623
15K
9.32 mi12:13:521:17:198:1825:44
8:17
#18378
20K
12.43 mi12:39:511:43:188:1925:59
8:22
#18074
Half
13.11 mi12:45:291:48:568:195:38
8:15
#18039
25K
15.53 mi13:06:442:10:118:2321:15
8:46
#18138
30K
18.64 mi13:34:172:37:448:2827:33
8:52
#17852
20M
20.00 mi13:46:062:49:338:2911:49
8:42
#17625
21M
21.00 mi13:56:393:00:068:3510:33
10:33
#17861
35K
21.75 mi14:03:063:06:338:356:27
8:37
#17783
23M
23.00 mi14:14:083:17:358:3511:02
8:49
#17609
24M
24.00 mi14:23:013:26:288:368:53
8:53
#17560
40K
24.85 mi14:30:273:33:548:367:26
8:42
#17446
25.2M
25.20 mi14:33:533:37:208:373:26
9:57
#17443
Finish
26.22 mi14:42:133:45:408:378:20
8:11
#17305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi188366815681517942(Top 63%)6281(Top 51%)6281(Top 366%)
10K6.21 mi3.10 mi18623+2136693+1226693+12218441(Top 65%)6565(Top 54%)6565(Top 382%)
15K9.32 mi3.11 mi18378+2456554+1396554+13917942(Top 63%)6281(Top 51%)6281(Top 366%)
20K12.43 mi3.11 mi18074+3046378+1766378+17617329(Top 61%)5964(Top 49%)5964(Top 347%)
Half13.11 mi0.68 mi18039+356364+146364+1417707(Top 62%)6161(Top 50%)6161(Top 359%)
25K15.53 mi2.42 mi18138-996439-756439-7518753(Top 66%)6839(Top 56%)6839(Top 398%)
30K18.64 mi3.11 mi17852+2866319+1206319+12016995(Top 60%)6026(Top 49%)6026(Top 351%)
20M20.00 mi1.36 mi17625+2276222+976222+9715070(Top 53%)5091(Top 42%)5091(Top 296%)
21M21.00 mi1.00 mi17861-2366354-1326354-13220176(Top 71%)8003(Top 65%)8003(Top 466%)
35K21.75 mi0.75 mi17783+786323+316323+3116226(Top 57%)5911(Top 48%)5911(Top 344%)
23M23.00 mi1.25 mi17609+1746282+416282+4115202(Top 54%)5442(Top 45%)5442(Top 317%)
24M24.00 mi1.00 mi17560+496286-46286-416780(Top 59%)6370(Top 52%)6370(Top 371%)
40K24.85 mi0.85 mi17446+1146245+416245+4114624(Top 51%)5323(Top 44%)5323(Top 310%)
25.2M25.20 mi0.35 mi17443+36251-66251-616865(Top 59%)6519(Top 53%)6519(Top 379%)
Finish26.22 mi1.02 mi17305+1386192+596192+5914159(Top 50%)5035(Top 41%)5035(Top 293%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17942

Females

6281

F40-44

6281

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18441

Females

6565

F40-44

6565

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17942

Females

6281

F40-44

6281

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17329

Females

5964

F40-44

5964

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17707

Females

6161

F40-44

6161

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18753

Females

6839

F40-44

6839

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16995

Females

6026

F40-44

6026

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15070

Females

5091

F40-44

5091

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20176

Females

8003

F40-44

8003

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16226

Females

5911

F40-44

5911

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15202

Females

5442

F40-44

5442

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16780

Females

6370

F40-44

6370

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14624

Females

5323

F40-44

5323

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16865

Females

6519

F40-44

6519

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14159

Females

5035

F40-44

5035

Passing Analysis

Category:
Athletes Passed
2636
Passed By
1105
Net Change
+1531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18836
5K → 10K391178+213#18836#18623
10K → 15K32176+245#18623#18378
15K → 20K35753+304#18378#18074
20K → Half5419+35#18074#18039
Half → 25K140239-99#18039#18138
25K → 30K37892+286#18138#17852
30K → 20M24316+227#17852#17625
20M → 21M40276-236#17625#17861
21M → 35K10628+78#17861#17783
35K → 23M20228+174#17783#17609
23M → 24M9950+49#17609#17560
24M → 40K13016+114#17560#17446
40K → 25.2M2623+3#17446#17443
25.2M → Finish14911+138#17443#17305
TOTALS26361105+1531
📊

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