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BOSTON MARATHON 2025

Elizabeth Northern

Bib: 7926•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
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
6:41/mi
20:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
41:19
↑ 79↓ 1380.4%
15K· 9.32 mi
6:39/mi
1:02:00
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:22:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:40/mi
1:27:18
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:43:23
↑ 66↓ 880.2%
30K· 18.64 mi
6:45/mi
2:04:21
↑ 181↓ 1480.2%
20M
6:52/mi
2:13:41
↑ 64↓ 500.2%
21M
7:27/mi
2:21:08
↑ 106↓ 241.6%
35K· 21.75 mi
6:36/mi
2:26:04
↑ 17↓ 861.7%
23M
6:54/mi
2:34:42
↑ 23↓ 630.6%
24M
6:49/mi
2:41:31
↓ 821.3%
40K· 24.85 mi
6:51/mi
2:47:22
↓ 200.3%
25.2M
7:29/mi
2:49:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:35/mi
2:56:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2620:466:4120:46
6:41
-
10K
6.21 mi10:48:5941:196:3920:33
6:37
-0:04
15K
9.32 mi11:09:401:02:006:3920:41
6:39
+0:02
20K
12.43 mi11:30:251:22:456:4020:45
6:41
+0:02
Half
13.11 mi11:34:581:27:186:404:33
6:40
-0:01
25K
15.53 mi11:51:031:43:236:3916:05
6:38
-0:02
30K
18.64 mi12:12:012:04:216:4020:58
6:45
+0:07
20M
20.00 mi12:21:212:13:416:419:20
6:52
+0:07
21M
21.00 mi12:28:482:21:086:437:27
7:27
+0:35
35K
21.75 mi12:33:442:26:046:434:56
6:36
-0:51
23M
23.00 mi12:42:222:34:426:448:38
6:54
+0:18
24M
24.00 mi12:49:112:41:316:446:49
6:49
-0:05
40K
24.85 mi12:55:022:47:226:445:51
6:51
+0:02
25.2M
25.20 mi12:57:372:49:576:452:35
7:29
+0:38
Finish
26.22 mi13:04:202:56:406:456:43
6:35
-0:54

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

6:35 /mi

Average Pace

6:45 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:38

94% of race

Time at Steady Pace

10:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:28:2620:466:4120:46
6:41
#5323
10K
6.21 mi10:48:5941:196:3920:33
6:37
#4932
15K
9.32 mi11:09:401:02:006:3920:41
6:39
#4821
20K
12.43 mi11:30:251:22:456:4020:45
6:41
#4630
Half
13.11 mi11:34:581:27:186:404:33
6:40
#4639
25K
15.53 mi11:51:031:43:236:3916:05
6:38
#4424
30K
18.64 mi12:12:012:04:216:4020:58
6:45
#4092
20M
20.00 mi12:21:212:13:416:419:20
6:52
#4004
21M
21.00 mi12:28:482:21:086:437:27
7:27
#4003
35K
21.75 mi12:33:442:26:046:434:56
6:36
#3927
23M
23.00 mi12:42:222:34:426:448:38
6:54
#3856
24M
24.00 mi12:49:112:41:316:446:49
6:49
#3816
40K
24.85 mi12:55:022:47:226:445:51
6:51
#3765
25.2M
25.20 mi12:57:372:49:576:452:35
7:29
#3744
Finish
26.22 mi13:04:202:56:406:456:43
6:35
#3659
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi53233633634729(Top 17%)301(Top 2%)301(Top 6%)
10K6.21 mi3.10 mi4932+391320+43320+434601(Top 16%)282(Top 2%)282(Top 5%)
15K9.32 mi3.11 mi4821+111306+14306+144729(Top 17%)301(Top 2%)301(Top 6%)
20K12.43 mi3.11 mi4630+191291+15291+154269(Top 15%)265(Top 2%)265(Top 5%)
Half13.11 mi0.68 mi4639-9294-3294-35096(Top 18%)361(Top 3%)361(Top 7%)
25K15.53 mi2.42 mi4424+215270+24270+243700(Top 13%)215(Top 2%)215(Top 4%)
30K18.64 mi3.11 mi4092+332245+25245+253145(Top 11%)184(Top 2%)184(Top 3%)
20M20.00 mi1.36 mi4004+88242+3242+33352(Top 12%)242(Top 2%)242(Top 4%)
21M21.00 mi1.00 mi4003+1246-4246-44380(Top 15%)446(Top 4%)446(Top 8%)
35K21.75 mi0.75 mi3927+76241+5241+52981(Top 10%)227(Top 2%)227(Top 4%)
23M23.00 mi1.25 mi3856+71245-4245-43209(Top 11%)274(Top 2%)274(Top 5%)
24M24.00 mi1.00 mi3816+402452453634(Top 13%)374(Top 3%)374(Top 7%)
40K24.85 mi0.85 mi3765+51246-1246-13092(Top 11%)299(Top 2%)299(Top 5%)
25.2M25.20 mi0.35 mi3744+21249-3249-33441(Top 12%)408(Top 3%)408(Top 7%)
Finish26.22 mi1.02 mi3659+85245+4245+43319(Top 12%)386(Top 3%)386(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4729

Females

301

F18-39

301

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4601

Females

282

F18-39

282

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4729

Females

301

F18-39

301

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4269

Females

265

F18-39

265

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5096

Females

361

F18-39

361

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3700

Females

215

F18-39

215

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3145

Females

184

F18-39

184

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3352

Females

242

F18-39

242

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4380

Females

446

F18-39

446

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2981

Females

227

F18-39

227

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3209

Females

274

F18-39

274

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3634

Females

374

F18-39

374

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3092

Females

299

F18-39

299

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3441

Females

408

F18-39

408

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3319

Females

386

F18-39

386

Passing Analysis

Category:
Athletes Passed
2057
Passed By
393
Net Change
+1664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5323
5K → 10K44655+391#5323#4932
10K → 15K17059+111#4932#4821
15K → 20K22332+191#4821#4630
20K → Half2029-9#4630#4639
Half → 25K22914+215#4639#4424
25K → 30K34917+332#4424#4092
30K → 20M10315+88#4092#4004
20M → 21M6867+1#4004#4003
21M → 35K804+76#4003#3927
35K → 23M9928+71#3927#3856
23M → 24M6525+40#3856#3816
24M → 40K7019+51#3816#3765
40K → 25.2M3110+21#3765#3744
25.2M → Finish10419+85#3744#3659
TOTALS2057393+1664
📊

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