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BOSTON MARATHON 2025

Katherine Norwood

Bib: 10288•F

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:17/mi
19:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:28/mi
39:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:00:27
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:21:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:26:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:43:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:07:11
↑ 181↓ 1480.2%
20M
7:37/mi
2:17:32
↑ 64↓ 500.2%
21M
8:17/mi
2:25:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:31:14
↑ 17↓ 861.7%
23M
7:42/mi
2:40:52
↑ 23↓ 630.6%
24M
7:36/mi
2:48:28
↓ 821.3%
40K· 24.85 mi
7:58/mi
2:55:17
↓ 200.3%
25.2M
9:17/mi
2:58:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:06:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:35
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:39:36
Pace7:36 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0819:306:1719:30
6:17
-
10K
6.21 mi11:05:1239:346:2220:04
6:28
+0:11
15K
9.32 mi11:26:051:00:276:2920:53
6:43
+0:15
20K
12.43 mi11:47:321:21:546:3521:27
6:54
+0:11
Half
13.11 mi11:52:131:26:356:364:41
6:52
-0:02
25K
15.53 mi12:09:331:43:556:4117:20
7:09
+0:17
30K
18.64 mi12:32:492:07:116:4923:16
7:29
+0:20
20M
20.00 mi12:43:102:17:326:5310:21
7:37
+0:08
21M
21.00 mi12:51:272:25:496:578:17
8:17
+0:40
35K
21.75 mi12:56:522:31:146:575:25
7:14
-1:03
23M
23.00 mi13:06:302:40:527:009:38
7:42
+0:28
24M
24.00 mi13:14:062:48:287:017:36
7:36
-0:06
40K
24.85 mi13:20:552:55:177:036:49
7:58
+0:22
25.2M
25.20 mi13:24:072:58:297:053:12
9:17
+1:19
Finish
26.22 mi13:31:493:06:117:067:42
7:33
-1:44

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

6:17 /mi

Average Pace

7:06 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:35

47% of race

Time at Steady Pace

1:21:18

44% of race

Time at Slower Pace

18:18

10% of race

Average Pace: 7:06 /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 mi10:45:0819:306:1719:30
6:17
#2306
10K
6.21 mi11:05:1239:346:2220:04
6:28
#2838
15K
9.32 mi11:26:051:00:276:2920:53
6:43
#3599
20K
12.43 mi11:47:321:21:546:3521:27
6:54
#4094
Half
13.11 mi11:52:131:26:356:364:41
6:52
#4214
25K
15.53 mi12:09:331:43:556:4117:20
7:09
#4714
30K
18.64 mi12:32:492:07:116:4923:16
7:29
#5355
20M
20.00 mi12:43:102:17:326:5310:21
7:37
#5577
21M
21.00 mi12:51:272:25:496:578:17
8:17
#5712
35K
21.75 mi12:56:522:31:146:575:25
7:14
#5730
23M
23.00 mi13:06:302:40:527:009:38
7:42
#5774
24M
24.00 mi13:14:062:48:287:017:36
7:36
#5820
40K
24.85 mi13:20:552:55:177:036:49
7:58
#5900
25.2M
25.20 mi13:24:072:58:297:053:12
9:17
#5966
Finish
26.22 mi13:31:493:06:117:067:42
7:33
#6037
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi230699995313(Top 19%)400(Top 3%)400(Top 7%)
10K6.21 mi3.10 mi2838-532127-28127-283456(Top 12%)174(Top 1%)174(Top 3%)
15K9.32 mi3.11 mi3599-761183-56183-565313(Top 19%)400(Top 3%)400(Top 7%)
20K12.43 mi3.11 mi4094-495234-51234-516245(Top 22%)610(Top 5%)610(Top 11%)
Half13.11 mi0.68 mi4214-120244-10244-106730(Top 24%)708(Top 6%)708(Top 13%)
25K15.53 mi2.42 mi4714-500313-69313-697271(Top 26%)946(Top 8%)946(Top 17%)
30K18.64 mi3.11 mi5355-641429-116429-1167680(Top 27%)1260(Top 10%)1260(Top 23%)
20M20.00 mi1.36 mi5577-222470-41470-417808(Top 27%)1459(Top 12%)1459(Top 27%)
21M21.00 mi1.00 mi5712-135508-38508-389132(Top 32%)2212(Top 18%)2212(Top 40%)
35K21.75 mi0.75 mi5730-18523-15523-156875(Top 24%)1226(Top 10%)1226(Top 22%)
23M23.00 mi1.25 mi5774-44556-33556-337876(Top 28%)1764(Top 14%)1764(Top 32%)
24M24.00 mi1.00 mi5820-46586-30586-308416(Top 30%)2048(Top 17%)2048(Top 37%)
40K24.85 mi0.85 mi5900-80618-32618-3210006(Top 35%)2918(Top 24%)2918(Top 53%)
25.2M25.20 mi0.35 mi5966-66639-21639-2113349(Top 47%)4658(Top 38%)4658(Top 85%)
Finish26.22 mi1.02 mi6037-71679-40679-409608(Top 34%)2802(Top 23%)2802(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5313

Females

400

F18-39

400

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3456

Females

174

F18-39

174

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5313

Females

400

F18-39

400

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6245

Females

610

F18-39

610

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6730

Females

708

F18-39

708

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7271

Females

946

F18-39

946

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7680

Females

1260

F18-39

1260

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7808

Females

1459

F18-39

1459

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9132

Females

2212

F18-39

2212

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6875

Females

1226

F18-39

1226

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7876

Females

1764

F18-39

1764

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8416

Females

2048

F18-39

2048

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10006

Females

2918

F18-39

2918

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13349

Females

4658

F18-39

4658

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9608

Females

2802

F18-39

2802

Passing Analysis

Category:
Athletes Passed
419
Passed By
4150
Net Change
-3731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2306
5K → 10K13545-532#2306#2838
10K → 15K4765-761#2838#3599
15K → 20K19514-495#3599#4094
20K → Half2122-120#4094#4214
Half → 25K29529-500#4214#4714
25K → 30K55696-641#4714#5355
30K → 20M29251-222#5355#5577
20M → 21M33168-135#5577#5712
21M → 35K3957-18#5712#5730
35K → 23M66110-44#5730#5774
23M → 24M4692-46#5774#5820
24M → 40K29109-80#5820#5900
40K → 25.2M975-66#5900#5966
25.2M → Finish46117-71#5966#6037
TOTALS4194150-3731
📊

Passing Visuals

Category:
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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