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BOSTON MARATHON 2025

Natane Bourne

Bib: 20383•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F45-49)
#0 / 1813
Top 27%
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
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:13:59
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:38:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:03:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:29:42
↑ 181↓ 1480.2%
20M
8:27/mi
2:41:11
↑ 64↓ 500.2%
21M
9:03/mi
2:50:14
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:56:25
↑ 17↓ 861.7%
23M
8:46/mi
3:07:23
↑ 23↓ 630.6%
24M
8:20/mi
3:15:43
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:23:02
↓ 200.3%
25.2M
9:40/mi
3:26:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:34:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:16
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4424:467:5824:46
7:58
-
10K
6.21 mi11:44:1749:197:5624:33
7:54
-0:04
15K
9.32 mi12:08:571:13:597:5624:40
7:56
+0:02
20K
12.43 mi12:33:511:38:537:5724:54
8:01
+0:05
Half
13.11 mi12:39:141:44:167:575:23
7:53
-0:08
25K
15.53 mi12:58:492:03:517:5819:35
8:05
+0:12
30K
18.64 mi13:24:402:29:428:0225:51
8:19
+0:14
20M
20.00 mi13:36:092:41:118:0411:29
8:27
+0:08
21M
21.00 mi13:45:122:50:148:069:03
9:03
+0:36
35K
21.75 mi13:51:232:56:258:076:11
8:16
-0:47
23M
23.00 mi14:02:213:07:238:0910:58
8:46
+0:30
24M
24.00 mi14:10:413:15:438:098:20
8:20
-0:26
40K
24.85 mi14:18:003:23:028:107:19
8:33
+0:13
25.2M
25.20 mi14:21:203:26:228:113:20
9:40
+1:07
Finish
26.22 mi14:29:363:34:388:128:16
8:07
-1:33

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

7:53 /mi

Average Pace

8:12 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:16

49% of race

Time at Steady Pace

1:19:42

37% of race

Time at Slower Pace

30:40

14% of race

Average Pace: 8:11 /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 mi11:19:4424:467:5824:46
7:58
#16370
10K
6.21 mi11:44:1749:197:5624:33
7:54
#15987
15K
9.32 mi12:08:571:13:597:5624:40
7:56
#15820
20K
12.43 mi12:33:511:38:537:5724:54
8:01
#15617
Half
13.11 mi12:39:141:44:167:575:23
7:53
#15573
25K
15.53 mi12:58:492:03:517:5819:35
8:05
#15347
30K
18.64 mi13:24:402:29:428:0225:51
8:19
#14969
20M
20.00 mi13:36:092:41:118:0411:29
8:27
#14820
21M
21.00 mi13:45:122:50:148:069:03
9:03
#14714
35K
21.75 mi13:51:232:56:258:076:11
8:16
#14661
23M
23.00 mi14:02:213:07:238:0910:58
8:46
#14655
24M
24.00 mi14:10:413:15:438:098:20
8:20
#14582
40K
24.85 mi14:18:003:23:028:107:19
8:33
#14513
25.2M
25.20 mi14:21:203:26:228:113:20
9:40
#14529
Finish
26.22 mi14:29:363:34:388:128:16
8:07
#14468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi163705372537215582(Top 55%)4899(Top 40%)4899(Top 270%)
10K6.21 mi3.10 mi15987+3835126+2465126+24615689(Top 55%)4939(Top 40%)4939(Top 272%)
15K9.32 mi3.11 mi15820+1675025+1015025+10115582(Top 55%)4899(Top 40%)4899(Top 270%)
20K12.43 mi3.11 mi15617+2034938+874938+8715057(Top 53%)4672(Top 38%)4672(Top 258%)
Half13.11 mi0.68 mi15573+444911+274911+2715067(Top 53%)4650(Top 38%)4650(Top 256%)
25K15.53 mi2.42 mi15347+2264800+1114800+11114492(Top 51%)4483(Top 37%)4483(Top 247%)
30K18.64 mi3.11 mi14969+3784653+1474653+14713637(Top 48%)4166(Top 34%)4166(Top 230%)
20M20.00 mi1.36 mi14820+1494594+594594+5913495(Top 48%)4246(Top 35%)4246(Top 234%)
21M21.00 mi1.00 mi14714+1064563+314563+3113828(Top 49%)4534(Top 37%)4534(Top 250%)
35K21.75 mi0.75 mi14661+534544+194544+1914070(Top 50%)4706(Top 38%)4706(Top 260%)
23M23.00 mi1.25 mi14655+64578-344578-3414888(Top 52%)5268(Top 43%)5268(Top 291%)
24M24.00 mi1.00 mi14582+734563+154563+1513503(Top 48%)4569(Top 37%)4569(Top 252%)
40K24.85 mi0.85 mi14513+694555+84555+813812(Top 49%)4860(Top 40%)4860(Top 268%)
25.2M25.20 mi0.35 mi14529-164579-244579-2415475(Top 54%)5799(Top 47%)5799(Top 320%)
Finish26.22 mi1.02 mi14468+614572+74572+713700(Top 48%)4798(Top 39%)4798(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15582

Females

4899

F45-49

4899

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15689

Females

4939

F45-49

4939

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15582

Females

4899

F45-49

4899

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15057

Females

4672

F45-49

4672

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15067

Females

4650

F45-49

4650

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14492

Females

4483

F45-49

4483

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13637

Females

4166

F45-49

4166

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13495

Females

4246

F45-49

4246

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13828

Females

4534

F45-49

4534

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14070

Females

4706

F45-49

4706

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14888

Females

5268

F45-49

5268

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13503

Females

4569

F45-49

4569

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13812

Females

4860

F45-49

4860

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15475

Females

5799

F45-49

5799

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13700

Females

4798

F45-49

4798

Passing Analysis

Category:
Athletes Passed
2823
Passed By
921
Net Change
+1902
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16370
5K → 10K539156+383#16370#15987
10K → 15K290123+167#15987#15820
15K → 20K307104+203#15820#15617
20K → Half6218+44#15617#15573
Half → 25K27751+226#15573#15347
25K → 30K44062+378#15347#14969
30K → 20M19950+149#14969#14820
20M → 21M16660+106#14820#14714
21M → 35K9138+53#14714#14661
35K → 23M10094+6#14661#14655
23M → 24M11340+73#14655#14582
24M → 40K10233+69#14582#14513
40K → 25.2M2844-16#14513#14529
25.2M → Finish10948+61#14529#14468
TOTALS2823921+1902
📊

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