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BOSTON MARATHON 2025

Elizabeth Chumanov

Bib: 22805•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F45-49)
#0 / 1813
Top 36%
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
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:10
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:39:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:04:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:31:40
↑ 181↓ 1480.2%
20M
8:41/mi
2:43:28
↑ 64↓ 500.2%
21M
9:42/mi
2:53:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
2:59:38
↑ 17↓ 861.7%
23M
9:01/mi
3:10:55
↑ 23↓ 630.6%
24M
8:56/mi
3:19:51
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:27:23
↓ 200.3%
25.2M
10:29/mi
3:31:00
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:39:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:45
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:54:32
Pace8:44 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1224:558:0124:55
8:01
-
10K
6.21 mi11:45:4949:327:5824:37
7:55
-0:06
15K
9.32 mi12:10:271:14:107:5724:38
7:56
+0:01
20K
12.43 mi12:35:361:39:198:0025:09
8:06
+0:10
Half
13.11 mi12:41:021:44:457:595:26
7:58
-0:08
25K
15.53 mi13:01:142:04:578:0320:12
8:20
+0:22
30K
18.64 mi13:27:572:31:408:0826:43
8:36
+0:16
20M
20.00 mi13:39:452:43:288:1011:48
8:41
+0:05
21M
21.00 mi13:49:272:53:108:159:42
9:42
+1:01
35K
21.75 mi13:55:552:59:388:166:28
8:39
-1:03
23M
23.00 mi14:07:123:10:558:1811:17
9:01
+0:22
24M
24.00 mi14:16:083:19:518:208:56
8:56
-0:05
40K
24.85 mi14:23:403:27:238:217:32
8:49
-0:07
25.2M
25.20 mi14:27:173:31:008:223:37
10:29
+1:40
Finish
26.22 mi14:35:343:39:178:228:17
8:08
-2:21

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

7:55 /mi

Average Pace

8:22 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:02

52% of race

Time at Steady Pace

1:21:39

37% of race

Time at Slower Pace

24:36

11% of race

Average Pace: 8:22 /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 mi11:21:1224:558:0124:55
8:01
#16756
10K
6.21 mi11:45:4949:327:5824:37
7:55
#16279
15K
9.32 mi12:10:271:14:107:5724:38
7:56
#15994
20K
12.43 mi12:35:361:39:198:0025:09
8:06
#15861
Half
13.11 mi12:41:021:44:457:595:26
7:58
#15858
25K
15.53 mi13:01:142:04:578:0320:12
8:20
#15914
30K
18.64 mi13:27:572:31:408:0826:43
8:36
#15791
20M
20.00 mi13:39:452:43:288:1011:48
8:41
#15650
21M
21.00 mi13:49:272:53:108:159:42
9:42
#15727
35K
21.75 mi13:55:552:59:388:166:28
8:39
#15723
23M
23.00 mi14:07:123:10:558:1811:17
9:01
#15707
24M
24.00 mi14:16:083:19:518:208:56
8:56
#15743
40K
24.85 mi14:23:403:27:238:217:32
8:49
#15699
25.2M
25.20 mi14:27:173:31:008:223:37
10:29
#15758
Finish
26.22 mi14:35:343:39:178:228:17
8:08
#15696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi167565604560415491(Top 55%)4858(Top 40%)4858(Top 268%)
10K6.21 mi3.10 mi16279+4775313+2915313+29115862(Top 56%)5046(Top 41%)5046(Top 278%)
15K9.32 mi3.11 mi15994+2855144+1695144+16915491(Top 55%)4858(Top 40%)4858(Top 268%)
20K12.43 mi3.11 mi15861+1335071+735071+7315619(Top 55%)4981(Top 41%)4981(Top 275%)
Half13.11 mi0.68 mi15858+35068+35068+315681(Top 55%)5001(Top 41%)5001(Top 276%)
25K15.53 mi2.42 mi15914-565117-495117-4916129(Top 57%)5385(Top 44%)5385(Top 297%)
30K18.64 mi3.11 mi15791+1235104+135104+1315404(Top 54%)5128(Top 42%)5128(Top 283%)
20M20.00 mi1.36 mi15650+1415066+385066+3814970(Top 53%)5029(Top 41%)5029(Top 277%)
21M21.00 mi1.00 mi15727-775150-845150-8417041(Top 60%)6275(Top 51%)6275(Top 346%)
35K21.75 mi0.75 mi15723+45171-215171-2116343(Top 58%)5963(Top 49%)5963(Top 329%)
23M23.00 mi1.25 mi15707+165197-265197-2616336(Top 58%)6073(Top 50%)6073(Top 335%)
24M24.00 mi1.00 mi15743-365234-375234-3717032(Top 60%)6514(Top 53%)6514(Top 359%)
40K24.85 mi0.85 mi15699+445229+55229+515268(Top 54%)5670(Top 46%)5670(Top 313%)
25.2M25.20 mi0.35 mi15758-595277-485277-4818964(Top 67%)7603(Top 62%)7603(Top 419%)
Finish26.22 mi1.02 mi15696+625268+95268+913823(Top 49%)4869(Top 40%)4869(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15491

Females

4858

F45-49

4858

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15862

Females

5046

F45-49

5046

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15491

Females

4858

F45-49

4858

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15619

Females

4981

F45-49

4981

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15681

Females

5001

F45-49

5001

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16129

Females

5385

F45-49

5385

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15404

Females

5128

F45-49

5128

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14970

Females

5029

F45-49

5029

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17041

Females

6275

F45-49

6275

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16343

Females

5963

F45-49

5963

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16336

Females

6073

F45-49

6073

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17032

Females

6514

F45-49

6514

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15268

Females

5670

F45-49

5670

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18964

Females

7603

F45-49

7603

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13823

Females

4869

F45-49

4869

Passing Analysis

Category:
Athletes Passed
2405
Passed By
1345
Net Change
+1060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16756
5K → 10K585108+477#16756#16279
10K → 15K38095+285#16279#15994
15K → 20K254121+133#15994#15861
20K → Half3734+3#15861#15858
Half → 25K160216-56#15858#15914
25K → 30K283160+123#15914#15791
30K → 20M19049+141#15791#15650
20M → 21M86163-77#15650#15727
21M → 35K6763+4#15727#15723
35K → 23M10993+16#15723#15707
23M → 24M5591-36#15707#15743
24M → 40K9046+44#15743#15699
40K → 25.2M1877-59#15699#15758
25.2M → Finish9129+62#15758#15696
TOTALS24051345+1060
📊

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