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BOSTON MARATHON 2025

Rebecca Mcnamee

Bib: 13838•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:32
Rank: #9928
Start → 5K
22:32 | 7:15/mi
10K· 6.21 mi
45:02
Rank: #9864 (+64)
5K → 10K
22:30 | 7:15/mi
15K· 9.32 mi
1:06:42
Rank: #8966 (+898)
10K → 15K
21:40 | 6:58/mi
20K· 12.43 mi
1:29:28
Rank: #8987 (-21)
15K → 20K
22:46 | 7:20/mi
Half· 13.11 mi
1:34:21
Rank: #8956 (+31)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:52:23
Rank: #8986 (-30)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:17:16
Rank: #9394 (-408)
25K → 30K
24:53 | 8:01/mi
20M
2:28:06
Rank: #9422 (-28)
30K → 20M
10:50 | 7:58/mi
21M
2:36:19
Rank: #9351 (+71)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:41:39
Rank: #9183 (+168)
21M → 35K
5:20 | 7:08/mi
23M
2:50:47
Rank: #8863 (+320)
35K → 23M
9:08 | 7:18/mi
24M
2:57:57
Rank: #8655 (+208)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
3:04:18
Rank: #8497 (+158)
24M → 40K
6:21 | 7:26/mi
25.2M
3:07:13
Rank: #8486 (+11)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:14:41
Rank: #8447 (+39)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:21
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:40:20
Pace7:39 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0722:327:1522:32
7:15
-
10K
6.21 mi11:14:3745:027:1522:30
7:15
0:00
15K
9.32 mi11:36:171:06:427:0921:40
6:58
-0:17
20K
12.43 mi11:59:031:29:287:1222:46
7:20
+0:22
Half
13.11 mi12:03:561:34:217:124:53
7:09
-0:11
25K
15.53 mi12:21:581:52:237:1418:02
7:26
+0:17
30K
18.64 mi12:46:512:17:167:2224:53
8:01
+0:35
20M
20.00 mi12:57:412:28:067:2410:50
7:58
-0:03
21M
21.00 mi13:05:542:36:197:278:13
8:13
+0:15
35K
21.75 mi13:11:142:41:397:265:20
7:08
-1:05
23M
23.00 mi13:20:222:50:477:269:08
7:18
+0:10
24M
24.00 mi13:27:322:57:577:257:10
7:10
-0:08
40K
24.85 mi13:33:533:04:187:256:21
7:26
+0:16
25.2M
25.20 mi13:36:483:07:137:262:55
8:27
+1:01
Finish
26.22 mi13:44:163:14:417:267:28
7:20
-1:07

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

6:58 /mi

Average Pace

7:26 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:40

11% of race

Time at Steady Pace

2:06:10

65% of race

Time at Slower Pace

46:51

24% of race

Average Pace: 7:25 /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 mi10:52:0722:327:1522:32
7:15
#9928
10K
6.21 mi11:14:3745:027:1522:30
7:15
#9864
15K
9.32 mi11:36:171:06:427:0921:40
6:58
#8966
20K
12.43 mi11:59:031:29:287:1222:46
7:20
#8987
Half
13.11 mi12:03:561:34:217:124:53
7:09
#8956
25K
15.53 mi12:21:581:52:237:1418:02
7:26
#8986
30K
18.64 mi12:46:512:17:167:2224:53
8:01
#9394
20M
20.00 mi12:57:412:28:067:2410:50
7:58
#9422
21M
21.00 mi13:05:542:36:197:278:13
8:13
#9351
35K
21.75 mi13:11:142:41:397:265:20
7:08
#9183
23M
23.00 mi13:20:222:50:477:269:08
7:18
#8863
24M
24.00 mi13:27:322:57:577:257:10
7:10
#8655
40K
24.85 mi13:33:533:04:187:256:21
7:26
#8497
25.2M
25.20 mi13:36:483:07:137:262:55
8:27
#8486
Finish
26.22 mi13:44:163:14:417:267:28
7:20
#8447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9928177617767468(Top 26%)861(Top 7%)861(Top 16%)
10K6.21 mi3.10 mi9864+641738+381738+389875(Top 35%)1777(Top 15%)1777(Top 32%)
15K9.32 mi3.11 mi8966+8981379+3591379+3597468(Top 26%)861(Top 7%)861(Top 16%)
20K12.43 mi3.11 mi8987-211409-301409-309277(Top 33%)1638(Top 13%)1638(Top 30%)
Half13.11 mi0.68 mi8956+311400+91400+98798(Top 31%)1410(Top 12%)1410(Top 26%)
25K15.53 mi2.42 mi8986-301442-421442-429450(Top 33%)1841(Top 15%)1841(Top 34%)
30K18.64 mi3.11 mi9394-4081679-2371679-23711442(Top 40%)2997(Top 25%)2997(Top 55%)
20M20.00 mi1.36 mi9422-281734-551734-5510258(Top 36%)2559(Top 21%)2559(Top 47%)
21M21.00 mi1.00 mi9351+711732+21732+28697(Top 31%)2024(Top 17%)2024(Top 37%)
35K21.75 mi0.75 mi9183+1681676+561676+566210(Top 22%)1000(Top 8%)1000(Top 18%)
23M23.00 mi1.25 mi8863+3201582+941582+945474(Top 19%)820(Top 7%)820(Top 15%)
24M24.00 mi1.00 mi8655+2081528+541528+545652(Top 20%)952(Top 8%)952(Top 17%)
40K24.85 mi0.85 mi8497+1581503+251503+256403(Top 23%)1302(Top 11%)1302(Top 24%)
25.2M25.20 mi0.35 mi8486+111518-151518-158595(Top 30%)2308(Top 19%)2308(Top 42%)
Finish26.22 mi1.02 mi8447+39151815187983(Top 28%)2058(Top 17%)2058(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7468

Females

861

F18-39

861

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9875

Females

1777

F18-39

1777

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7468

Females

861

F18-39

861

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9277

Females

1638

F18-39

1638

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8798

Females

1410

F18-39

1410

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9450

Females

1841

F18-39

1841

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11442

Females

2997

F18-39

2997

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10258

Females

2559

F18-39

2559

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8697

Females

2024

F18-39

2024

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6210

Females

1000

F18-39

1000

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5474

Females

820

F18-39

820

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5652

Females

952

F18-39

952

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6403

Females

1302

F18-39

1302

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8595

Females

2308

F18-39

2308

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7983

Females

2058

F18-39

2058

Passing Analysis

Category:
Athletes Passed
2842
Passed By
1360
Net Change
+1481
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9928
5K → 10K256191+64#9928#9864
10K → 15K9002+898#9864#8966
15K → 20K154175-21#8966#8987
20K → Half5726+31#8987#8956
Half → 25K142172-30#8956#8986
25K → 30K114522-408#8986#9394
30K → 20M98126-28#9394#9422
20M → 21M12352+71#9422#9351
21M → 35K1724+168#9351#9183
35K → 23M3233+320#9183#8863
23M → 24M2135+208#8863#8655
24M → 40K17113+158#8655#8497
40K → 25.2M4534+11#8497#8486
25.2M → Finish7435+39#8486#8447
TOTALS28421360+1481
📊

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