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BOSTON MARATHON 2025

Margaret Bryant

Bib: 16218•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
Division (F18-39)
#0 / 5469
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
7:52/mi
24:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:46
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:44:01
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:03:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:29:46
↑ 181↓ 1480.2%
20M
8:22/mi
2:41:08
↑ 64↓ 500.2%
21M
9:00/mi
2:50:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
2:56:35
↑ 17↓ 861.7%
23M
8:26/mi
3:07:09
↑ 23↓ 630.6%
24M
8:09/mi
3:15:18
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:22:25
↓ 200.3%
25.2M
9:11/mi
3:25:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:33:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:01
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:49:53
Pace8:23 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0324:257:5224:25
7:52
-
10K
6.21 mi11:22:4749:097:5524:44
7:58
+0:06
15K
9.32 mi11:47:241:13:467:5524:37
7:55
-0:03
20K
12.43 mi12:12:201:38:427:5724:56
8:02
+0:07
Half
13.11 mi12:17:391:44:017:565:19
7:48
-0:14
25K
15.53 mi12:37:082:03:307:5719:29
8:02
+0:14
30K
18.64 mi13:03:242:29:468:0226:16
8:27
+0:25
20M
20.00 mi13:14:462:41:088:0311:22
8:22
-0:05
21M
21.00 mi13:23:462:50:088:069:00
9:00
+0:38
35K
21.75 mi13:30:132:56:358:076:27
8:37
-0:23
23M
23.00 mi13:40:473:07:098:0810:34
8:26
-0:11
24M
24.00 mi13:48:563:15:188:088:09
8:09
-0:17
40K
24.85 mi13:56:033:22:258:097:07
8:19
+0:10
25.2M
25.20 mi13:59:133:25:358:093:10
9:11
+0:52
Finish
26.22 mi14:07:323:33:548:108:19
8:10
-1:01

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

7:48 /mi

Average Pace

8:10 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:17

91% of race

Time at Steady Pace

18:37

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi10:58:0324:257:5224:25
7:52
#15337
10K
6.21 mi11:22:4749:097:5524:44
7:58
#15786
15K
9.32 mi11:47:241:13:467:5524:37
7:55
#15626
20K
12.43 mi12:12:201:38:427:5724:56
8:02
#15480
Half
13.11 mi12:17:391:44:017:565:19
7:48
#15394
25K
15.53 mi12:37:082:03:307:5719:29
8:02
#15160
30K
18.64 mi13:03:242:29:468:0226:16
8:27
#14997
20M
20.00 mi13:14:462:41:088:0311:22
8:22
#14800
21M
21.00 mi13:23:462:50:088:069:00
9:00
#14685
35K
21.75 mi13:30:132:56:358:076:27
8:37
#14711
23M
23.00 mi13:40:473:07:098:0810:34
8:26
#14575
24M
24.00 mi13:48:563:15:188:088:09
8:09
#14465
40K
24.85 mi13:56:033:22:258:097:07
8:19
#14352
25.2M
25.20 mi13:59:133:25:358:093:10
9:11
#14315
Finish
26.22 mi14:07:323:33:548:108:19
8:10
#14261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi153374740474015429(Top 54%)4823(Top 39%)4823(Top 88%)
10K6.21 mi3.10 mi15786-4495012-2725012-27216165(Top 57%)5219(Top 43%)5219(Top 95%)
15K9.32 mi3.11 mi15626+1604914+984914+9815429(Top 54%)4823(Top 39%)4823(Top 88%)
20K12.43 mi3.11 mi15480+1464846+684846+6815124(Top 53%)4705(Top 38%)4705(Top 86%)
Half13.11 mi0.68 mi15394+864803+434803+4314273(Top 50%)4224(Top 35%)4224(Top 77%)
25K15.53 mi2.42 mi15160+2344699+1044699+10414188(Top 50%)4301(Top 35%)4301(Top 79%)
30K18.64 mi3.11 mi14997+1634668+314668+3114482(Top 51%)4623(Top 38%)4623(Top 85%)
20M20.00 mi1.36 mi14800+1974581+874581+8712956(Top 46%)3954(Top 32%)3954(Top 72%)
21M21.00 mi1.00 mi14685+1154546+354546+3513536(Top 48%)4384(Top 36%)4384(Top 80%)
35K21.75 mi0.75 mi14711-264575-294575-2916197(Top 57%)5882(Top 48%)5882(Top 108%)
23M23.00 mi1.25 mi14575+1364531+444531+4412953(Top 46%)4247(Top 35%)4247(Top 78%)
24M24.00 mi1.00 mi14465+1104493+384493+3812265(Top 43%)3935(Top 32%)3935(Top 72%)
40K24.85 mi0.85 mi14352+1134470+234470+2312334(Top 43%)4103(Top 34%)4103(Top 75%)
25.2M25.20 mi0.35 mi14315+374458+124458+1212885(Top 45%)4443(Top 36%)4443(Top 81%)
Finish26.22 mi1.02 mi14261+544461-34461-314034(Top 49%)4965(Top 41%)4965(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15429

Females

4823

F18-39

4823

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16165

Females

5219

F18-39

5219

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15429

Females

4823

F18-39

4823

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15124

Females

4705

F18-39

4705

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14273

Females

4224

F18-39

4224

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14188

Females

4301

F18-39

4301

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14482

Females

4623

F18-39

4623

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12956

Females

3954

F18-39

3954

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13536

Females

4384

F18-39

4384

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16197

Females

5882

F18-39

5882

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12953

Females

4247

F18-39

4247

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12265

Females

3935

F18-39

3935

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12334

Females

4103

F18-39

4103

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12885

Females

4443

F18-39

4443

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

14034

Females

4965

F18-39

4965

Passing Analysis

Category:
Athletes Passed
2460
Passed By
1384
Net Change
+1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15337
5K → 10K149598-449#15337#15786
10K → 15K286126+160#15786#15626
15K → 20K269123+146#15626#15480
20K → Half926+86#15480#15394
Half → 25K29662+234#15394#15160
25K → 30K320157+163#15160#14997
30K → 20M23134+197#14997#14800
20M → 21M17055+115#14800#14685
21M → 35K5884-26#14685#14711
35K → 23M16630+136#14711#14575
23M → 24M13727+110#14575#14465
24M → 40K13421+113#14465#14352
40K → 25.2M469+37#14352#14315
25.2M → Finish10652+54#14315#14261
TOTALS24601384+1076
📊

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