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BOSTON MARATHON 2025

Courtney Alama

Bib: 1235•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Female)
#0 / 12228
Top 0.4%
Division (F18-39)
#0 / 5469
Top 0.7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:25
Rank: #878
Start → 5K
18:25 | 5:56/mi
10K· 6.21 mi
36:40
Rank: #820 (+58)
5K → 10K
18:15 | 5:52/mi
15K· 9.32 mi
55:01
Rank: #800 (+20)
10K → 15K
18:21 | 5:54/mi
20K· 12.43 mi
1:13:31
Rank: #779 (+21)
15K → 20K
18:30 | 5:57/mi
Half· 13.11 mi
1:17:32
Rank: #775 (+4)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:32:04
Rank: #766 (+9)
Half → 25K
14:32 | 6:00/mi
30K· 18.64 mi
1:51:11
Rank: #750 (+16)
25K → 30K
19:07 | 6:09/mi
20M
1:59:44
Rank: #744 (+6)
30K → 20M
8:33 | 6:18/mi
21M
2:06:34
Rank: #763 (-19)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:11:15
Rank: #755 (+8)
21M → 35K
4:41 | 6:16/mi
23M
2:19:37
Rank: #796 (-41)
35K → 23M
8:22 | 6:41/mi
24M
2:26:06
Rank: #824 (-28)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:31:48
Rank: #841 (-17)
24M → 40K
5:42 | 6:40/mi
25.2M
2:34:13
Rank: #847 (-6)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:40:29
Rank: #845 (+2)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:32
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:22:57
Pace6:20 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1418:255:5618:25
5:56
-
10K
6.21 mi10:37:2936:405:5418:15
5:52
-0:04
15K
9.32 mi10:55:5055:015:5418:21
5:54
+0:02
20K
12.43 mi11:14:201:13:315:5518:30
5:57
+0:03
Half
13.11 mi11:18:211:17:325:554:01
5:53
-0:04
25K
15.53 mi11:32:531:32:045:5614:32
6:00
+0:07
30K
18.64 mi11:52:001:51:115:5819:07
6:09
+0:09
20M
20.00 mi12:00:331:59:445:598:33
6:18
+0:09
21M
21.00 mi12:07:232:06:346:026:50
6:50
+0:32
35K
21.75 mi12:12:042:11:156:024:41
6:16
-0:34
23M
23.00 mi12:20:262:19:376:048:22
6:41
+0:25
24M
24.00 mi12:26:552:26:066:056:29
6:29
-0:12
40K
24.85 mi12:32:372:31:486:065:42
6:40
+0:11
25.2M
25.20 mi12:35:022:34:136:072:25
7:00
+0:20
Finish
26.22 mi12:41:182:40:296:086:16
6:09
-0:51

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

5:52 /mi

Average Pace

6:08 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:41

81% of race

Time at Steady Pace

27:23

17% of race

Time at Slower Pace

2:25

2% of race

Average Pace: 6:07 /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 mi10:19:1418:255:5618:25
5:56
#878
10K
6.21 mi10:37:2936:405:5418:15
5:52
#820
15K
9.32 mi10:55:5055:015:5418:21
5:54
#800
20K
12.43 mi11:14:201:13:315:5518:30
5:57
#779
Half
13.11 mi11:18:211:17:325:554:01
5:53
#775
25K
15.53 mi11:32:531:32:045:5614:32
6:00
#766
30K
18.64 mi11:52:001:51:115:5819:07
6:09
#750
20M
20.00 mi12:00:331:59:445:598:33
6:18
#744
21M
21.00 mi12:07:232:06:346:026:50
6:50
#763
35K
21.75 mi12:12:042:11:156:024:41
6:16
#755
23M
23.00 mi12:20:262:19:376:048:22
6:41
#796
24M
24.00 mi12:26:552:26:066:056:29
6:29
#824
40K
24.85 mi12:32:372:31:486:065:42
6:40
#841
25.2M
25.20 mi12:35:022:34:136:072:25
7:00
#847
Finish
26.22 mi12:41:182:40:296:086:16
6:09
#845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8785353777(Top 3%)46(Top 0.4%)46(Top 0.8%)
10K6.21 mi3.10 mi820+5849+449+4773(Top 3%)46(Top 0.4%)46(Top 0.8%)
15K9.32 mi3.11 mi800+2048+148+1777(Top 3%)46(Top 0.4%)46(Top 0.8%)
20K12.43 mi3.11 mi779+2147+147+1764(Top 3%)45(Top 0.4%)45(Top 0.8%)
Half13.11 mi0.68 mi775+44747840(Top 3%)44(Top 0.4%)44(Top 0.8%)
25K15.53 mi2.42 mi766+945+245+2789(Top 3%)45(Top 0.4%)45(Top 0.8%)
30K18.64 mi3.11 mi750+1644+144+1803(Top 3%)45(Top 0.4%)45(Top 0.8%)
20M20.00 mi1.36 mi744+64444955(Top 3%)49(Top 0.4%)49(Top 0.9%)
21M21.00 mi1.00 mi763-1946-246-21661(Top 6%)84(Top 0.7%)84(Top 2%)
35K21.75 mi0.75 mi755+846461490(Top 5%)71(Top 0.6%)71(Top 1%)
23M23.00 mi1.25 mi796-4146462199(Top 8%)135(Top 1%)135(Top 2%)
24M24.00 mi1.00 mi824-2848-248-22008(Top 7%)135(Top 1%)135(Top 2%)
40K24.85 mi0.85 mi841-1750-250-22265(Top 8%)177(Top 1%)177(Top 3%)
25.2M25.20 mi0.35 mi847-650501557(Top 5%)123(Top 1%)123(Top 2%)
Finish26.22 mi1.02 mi845+250501381(Top 5%)87(Top 0.7%)87(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

777

Females

46

F18-39

46

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

773

Females

46

F18-39

46

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

777

Females

46

F18-39

46

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

764

Females

45

F18-39

45

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

840

Females

44

F18-39

44

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

789

Females

45

F18-39

45

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

803

Females

45

F18-39

45

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

955

Females

49

F18-39

49

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1661

Females

84

F18-39

84

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1490

Females

71

F18-39

71

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2199

Females

135

F18-39

135

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2008

Females

135

F18-39

135

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2265

Females

177

F18-39

177

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1557

Females

123

F18-39

123

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1381

Females

87

F18-39

87

Passing Analysis

Category:
Athletes Passed
324
Passed By
291
Net Change
+33
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#878
5K → 10K8628+58#878#820
10K → 15K3717+20#820#800
15K → 20K3413+21#800#779
20K → Half106+4#779#775
Half → 25K2819+9#775#766
25K → 30K4024+16#766#750
30K → 20M2014+6#750#744
20M → 21M1029-19#744#763
21M → 35K146+8#763#755
35K → 23M1051-41#755#796
23M → 24M735-28#796#824
24M → 40K623-17#824#841
40K → 25.2M612-6#841#847
25.2M → Finish1614+2#847#845
TOTALS324291+33
📊

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